Brompton 5 speed conversion. 3kg lighter than Brompton’s P-Line.

Brompton 5 speed conversion 5mph cutoff limit, so i decided to go for the licensing and insuring route as a speed-ebike which raises the motor cutoff limit to 28mph. Designed for advanced performance, this set includes a 10-speed hollow pin chain, ensuring smooth gear transitions and optimal efficiency. " Electrek May-24 GUIDE - As with all derailleur systems, the gearing on your 4 speed Brompton will require adjustment from time to time, particularly within the early life of the product when the cable can stretch, to ensure it performs optimally. Crankset removal and fitting - for T Line External Gear 5/7 Speed conversion for brompton/ aceoffix/ 3sixty/ pikes. Yes, I Thank you for contacting us here at the Brompton factory and for your interest in our bicycles. The ARCC Brompton Conversion Kit is an advanced electric retrofit system for Brompton bikes, External Gear 5/7 Speed conversion for brompton/ aceoffix/ 3sixty/ pikes. The Brompton Folding Bicycle community within Reddit. The larger 18T sprocket was actually in contact with the rear triangl Brompton chainrings are BCD130 so any other manufacturer chainring of this standard will fit the brompton. As mentioned my new cycle is 28km up and down quite a few inclines. AndrewBike99 Posts: 2 Joined: 12 Jul 2024, 5:53pm. 00 . DONT use the stock 4 speed and just add another gear as that's spaced to 10 speed. 6 gear inches Reply BIKEgang The Real 4 Speed Conversion Project for Brompton. This kit is intended to be used to modify a P / T line 4 speed shifter into a 5 speed shifter. Overtime, having the wheel on and for flats, I can see that it has nicked the drop out. How to setup:3:52 The Brompton 2 speed rear hubs can be upgraded to accommodate multiple individual sprockets, by replacing the freehub bodies. 7 lb) depending on the model, the GO batteries are fairly lightweight and easy to handle. That’s where our all-new 12-speed comes in. Joseph Kuosac, H&H and Ridea are just a Sturmey Archer S-RF5(W) is different from the 5 speed sprinter hub equipped on earlier Bromptons. BrommiePlus provides custom built wheelsets for Brompton, and also stocks Brompton wheel components, including rims, hubs, spokes, and nipples. Sprocket set for 3 and 5 speed Sturmey Archer hubs with 3 spline / ISO fitting. The 19T cog barely fit. They’re also IPX6 rated to withstand all-weather riding, and are certified to UL standards for safety. It is easy to convert your Brompton Bike to eBike using this conversion kit. Jonathan Bray singled out the following highlights of our [] "Weighing between 2-2. the ARCC conversion for Brompton bag conversion allows the rider to use ARCC Innovations Ltd, Pampisford Road, Great Abington, Cambridge, CB21 6AH 01223 Brilliant bikes from Brompton including Brompton Electric, Intense, Frog and Commencal and a wide range of spares and accessories with fast, free UK delivery. Learn More How Much Does A Brompton Explore 12 Speed Based on the foundations of the 6-speed system, Brompton’s 12 speed provides a wider gear range for hillier terrain and to support our community of Brompton explorers. My wife just bought a 6-speed Brompton and is using it for part of her NYC commute. Full conversion kits are also available that include the shifter modification parts, sprockets set, and chain, in addition to the multi-speed freehub bodies. Unfortunately, you can't just add the 2 spd derailleur to the three speed hub either. Tensioner 4. 83mm which is shimano 10 speed, and i think is it pretty well known this has a 10s chain. This is a great opportunity to improve your Brompton without all 6 to 4 Speed Conversion . Personally, I don't find it useful but it is certainly lighter than regular 3 speed hub which has about %200 range. You can use Brompton 3 speed shifter as well, just add barrel shifter adjuster to fine tune the derailleur. I think you need a different hub or wheel. The Electric C Line Explore - 12 Speed from Brompton is the ultimate bike perfect for adventurous individuals. "I have a Brompton 3 speed - is it possible to upgrade it to 6 speed?"The answer is, yes - but maybe not as ea We will be converting this beautiful Brompton Graphite to an external 3-speed gear, we will be needing some help with our trusted Brompton premium parts from Brompton 2s Brand New 2021 Tempest Blue - 781 Project Part 3Stage02H&H Carbon SeatpostH&H Chain PusherH&H Hinge ClampDT Swiss Two in One Remote as 3-speed sh External Gear 5/7 Speed conversion for brompton/ aceoffix/ 3sixty/ pikes. 5 speed conversion. Top. Brompton 12 speed sequential gearing calculations in inches (equivalent wheel diameter) : 50T chainring : Hub 1 30 35 41 48 Hub 2 This kit is intended to be used to modify a P / T line 4 speed shifter into a 5 speed shifter. Alternatively to achieve what 6th speed can do I could go with 3 speed rear hub and upgrade chainring to 64T aftermarket which (matter of taste) will look absolutely stupid. If money is not a concern, 12 speed P line is good. If hub is an option, a guy in Germany has written a documentation on his 7-speed-Nexus-conversion. Upgrade your P or T line Brompton 4 speeds to 7 speeds with 11-32 wide ratio cassette. Click here to find your nearest store. Front Wheel Introducing 12-speed, Brompton’s widest ever gear range. Lightweight aluminium wheels 2. Specifications: Price : $799 (with Silver spokes) (RRP $849) BZ Custom Hand-built Wheels (16inch 349) (For Brompton external 3/4/5/6/7 speed conversion) BZ Custom Hand-built Wheel ️ Size: 16 inch 349 ️ Material: Alloy (Ultra 16 votes, 15 comments. 5mph, which A demonstration of a P/T shifter converted to 5 speed Brompton 98 link replacement chain for 3 speed Brompton with a 50 tooth chain ring or 2 / 6 speed Bromptons with a 44 tooth chain ring. 6 speed uses both derailleur (2 speed) and hub gear system (3 speed) - combined: 2 x 3 = 6. CHPT3 V4 wheelset; or, 5 to 7 speed 3rd party wheelset; Upgrade kit includes: H&H 7 speed shifter (left dual tap shifter) H&H Gear set version 3 I’ve got an old 2 speed brompton. Based on the foundations of the 6-speed system, Brompton’s 12 Speed Conversion Kit for Advanced Frames provides a wider gear range for hillier terrain. However I wasn’t able to find one. With this kind of longevity comes not only an avid fan base but an entire third-party marketplace with all types of parts and pieces to make Brompton bikes faster, better performing, and lighter. Just like our Obviously the B75 only comes with 3 speed (-12%). I bought an Alfine 11 Brompton which is mervelous. They probably aren't aiming at dedicated roadies. Brompton Advance 4 Speed Derailleur- Part Number: Q102995 We continuously replenish items listed on our website. BB and shifter will set you back about £30 each. Re: Upgrading Brompton 6 speed to 12 speed using 2 I mentioned in my last post about the Kinetics 8-speed conversion kit for the Brompton that the new crankset looks rather cheap and nasty. So, moderate speed but reasonable hill climbing too. Enjoy a coffee break while we enhance your Brompton’s performance. if they sell them separately, You can't easily convert an existing Brompton to the new 12 speed system due to the different rear triangle design, the new hi guys, am interested in converting my brompton to electric-assist but unfortunately my olympian thighs and aero physique wouldn't really benefit from the 15. Giving you the freedom to explore new horizons, expert engineering lets you experience complete mindfulness with nothing but the breeze on your skin to occupy your mind. I’m interested in the Alfine 8 speed conversion kit, How to factory reset the Brompton advance 4 speed gearing for P Line and T Line. Use our interactive guide for trouble-shooting Related Videos. ( Brompton has the fixed end near the changer most don't ) 11-14-17 unibody cassette ( MiniMods ) plus 21t cog plus spacer and lockring Chain Chainring ( in my case a Schlumpf High Speed Drive for 8 gears 20. (although effectively you get only 10 gears due to gear overlaps). Shifter 3. Derailleur Patent-pending direct mount 12 speed derailleur. Compatible with: P and T line stock wheelset. CHPT3 V4 wheelset or, 5 to 7 speed 3rd party wheelset Upgrade kit includes: H&am For 3 speed external, you can use Brompton 2 speed wheelset with either 3 of 11 speed individual sprocket, or even better use Minimods 3 speed unibody cassette (you also need 10 or 11 speed chain). A new crank set inc chainring will cost £70, 6 speed rear hub wheel £170, various bits of the rear derailleur assembly approx £ 30-50, chain tensioner alone is £22. At first, my mini-M handlebar interfered with the traditional flat handlebar shifter (SRAM XX1 11-spd) so I changed it to riser handlebar which solved the interference issue. Turn your bike electric with ease, using our simple eBike Conversion Kit. true. 5kg to the weight. T Line Weight Loss Phase one. This wasn’t a problems as I expected a long wait as that’s how their business model is set up. 0, 1. Range is the same as the 6x speed without the 6th gear, so max speed is 83 gear inches instead of 100. Brompton modified external 7-speed folding bicycle cassette has a special tooth shape (11-speed tooth shape), which is different from the ordinary 7-speed ca 5 Speed Shifter Conversion Parts The parts in this package will allow you to convert a Brompton (post-2017) right hand integrated shifter from 3 to 5 speed, for use with BrommiePlus 5 speed chain pusher or Brompton Advance Rear Derailleur (on the P/T line bikes). 6 kg (4. their 2) The option of a front derailleur appeals to me, however, a 38mm mount isn't available, although it appears a 40mm could be used with the addition of some shims - this would in all probability only give 5 useful gears with 3 on the rear To be clear, the 12 speed Brompton’s new hub operates mechanically the same as the 6 speed’s rear hub and the 12 speed and 6 speed rear hubs have the the same BWR ratios of 0. 9 /5. My local brompton junction munich assured me, as soon as the rear wheel is available again, converting is no problem. The Brompton 4 Speed Shifter & Brake Lever uses a self-returning mechanism to change between the four gears, pushing down on the lever changes to an easier gear, and pushing up causes it to change to a harder gear. co. Share Add a Comment. Reply. I have a 20 yo short wheel base Brompton 6 speed with 39 tooth chainring. But other times, you might want – or need – more. I need the conversion parts and my local brompton dealer is not allowing the upgrade because brompton restricts the latest shifters to be upgraded to pre 2017 bikes They seem to have 10 speed conversion kits as well. 3/4 Speed Free hub Driver 2. Note the weight is the net value after taking account Finally done converting/fixing my M3L Brompton into a Black Version M/S9Ryes that's a 9 speed conversion; the "fixing" part entailed a lot of sanding down of the derailleur arms and jockey-wheels on one side only, This is the bikegang mod, where you replace 2 external cogs on the 2 speed with 3. Free delivery BrommiePlus is a Brompton replacement wheels, wheelsets, drivetrain, transmission modification specialist. This video shares my experience of converting Brompton folding bike from internal gear system to external gear system. 5 years ago), and there was a good 0% finance deal for the bike My brompton: H6L with stock chain size Primarily 6-10 mile trips on mixed terrain, somewhat hilly, with a lot of stop and go. It integrates well with the bike (my Burrough bag still works) and the ride experience changes only slightly in an intuitive way. Final thoughts and future upgrades. Just ordered a new G-Line, and want more than the standard 8-speed hub gear and chain drive? No problem! I’ve got some ways to upgrade the G-Line: Alfine-11 Hub: This is a simple upgrade, to change the 8-speed Alfine to the more efficient 11-speed, with a wider gear range. Or just use any 3 speed shifter to your Not OP, so can’t speak for the 7 speed. ADMIN MOD New to BromptonSuperlight M6L to external 3sp conversion? I was fortunate enough to recently find a 2nd hand 2021 Superlight for a reasonable price. The stock P/T line shifter is designed to operate four road bike 9s sprockets, Finally: my 10 speed (2x5) Brompton T Line conversion! This took weeks! The goal was a perfect-shifting, zero-compromise conversion with no permanent frame and component mods, all the while keeping it fairly light. ARCC Brompton Conversion Kit. Your Brompton will continue to fold fully and using F1 technology and precision manufacturing, the kit nestles perfectly in the rear triangle adding only 2. Single shifter on the right, simply my 2nd ranked favourite hub after my 8-speed nexus. That to me is a good One of the questions we often get asked is . The new shifter is indexed, and include a stronger lever spring that will eliminate many of the "sticky lever" issues Specifications: Price : $849 (with black spokes) BZ Custom Hand-built Wheels (16inch 349) (For Brompton external 2/3/4/5/6/7 speed conversion) BZ Custom Hand-built Wheel ️ Size: 16 inch 349 ️ Material: Alloy (Ultra-light) ️ Weight: 1000g+ (Front & Rear) ️ Rim: BZ Rim. 26 votes, 30 comments. CHPT3 V4 wheelset; or, 5 to 7 speed 3rd party wheelset; Upgrade kit includes: H&H 7 speed shifter (left dual tap shifter) H&H Gear set version 3 BrommiePlus is a Brompton replacement wheels, wheelsets, drivetrain, transmission modification specialist. I guess we could keep the old parts around in case she ever wants to use the Brompton for hilly rides. The Brompton is a SRAM Wireless eTap 7-spd conversion . " Electrek May-24 It took some figuring out, but I’ve got a Rohloff 14-speed hub gear conversion working happily on the Brompton 😉. And, furthermore, I met a couple in france, while I was riding my ebrompton, who have they both official and non-official e-bromptons and they told me they preffer the unofficial due to less weight, more power and you can store the battery in any A short history of the Urban (4 speed) / Explore (12 speed) Brompton models. 3kg lighter than Brompton’s P-Line. 3-speed fitted hub is actually the narrower range hub from Brompton/Styrmey Archer. Having trouble setting up your gears? How to use the 4 speed Advance gearing for T Line and P Line. I've been loving the kit so far. ARCC Converted C-Line (2 speed): 0. The left hand shifter selects the sprocket and the right hand one the internal gear. Brompton External Gear 5/7 Speed Upgrade (labour inclusive) - Silverock 7s alloy rear wheel only (Silver / Black) - Shimano cogs - KMC Chain - Aceoffix Tensioner and derailleur (Optional upgrades: So the answer is it won't be a simple conversionwhole rear triangle change. Also it has added considerable weight to the bike. The 4 speed derailleur is the same as the 12 speed derailleur. I am seeking to upgrade to 12 speed I am thinking of using the following: SPA CYCLES RD-2 Road Cranks Longstaff trike conversion on a Giant XTC 840, Giant Bowery, Apollo transition. 11m). However, the upgrade might be costly. Open comment sort options. Features that facilitate this include the responsive suspension block, shock-absorbing titanium frame, and the 12-speed gearing It seems a waste of 2 mm space plus the thickness of the spoke protector. Awarded Best Urban Bike Shop in the USA. Pretty straight forward conversion. The new shifter is indexed, and include a stronger lever spring that will eliminate many of the "sticky lever" issues These things aren't exactly inexpensive. This Redditor covers one of the simplest conversions to 5 speed, Here is the Reddit post on a 2 x 5 conversion done on a T Line. BrommiePlus also stocks Sturmey Archer gear hub spare parts. Brooks saddle, ergon grips, schwalbe one tires. This kit is well suited for converting your 2- or 6-speed Brompton into a 5x2, or a 10 speed. Range and speed. I thought about the 4 speed, but did not want to invest in a new wheel/rear hub. I’m currently struggling with the question wether i should convert my 4-speed to 12-speed. Although she is a strong-willed woman, she weighs in at just 46 kg (ca 104 lbs), so for her NYC commute I am thinking she would benefit from going down to 2 gears. installed the kit on my Brompton last May and very happy after 200 km. I have a mechanical 10 speed derailleur set-up, but I opted for a Kinetics rear triangle. Sort by: Best. The 8-speed Brompton chainset and tensioner installed. 64, 1. That’s why we offer you a choice of gears. Rain covers: Price: €945 (approximately $1,020) 5. More details . The beauty of this kit is that it makes use of factory components as much as Upgrade your Brompton T Line or P Line 4-speed to a 5-speed for smoother climbing. Adding the high-low of the 2-speed is cheap in comparison. When it comes to a lightweight solution, the ARCC system is unparalleled. This comes with a friction shifter, but my preference is for indexed gears. Chain pusher 5. Actually, what there is, is a total lack of consistency between gears, so 1-2 are closer together, then there's a little jump to 3-4 which are a little more spaced out too and there a bigger jump to 5 and 6 which are quite far apart from each other. I've now moved and find with the electrical assist going up Notting Hill is manageable with the 2-speed. Brompton Explore 12 Speed Based on the foundations of the 6-speed system, Brompton’s 12 speed provides a wider gear range for hillier terrain and to support our community of Brompton explorers. This device combines the functionality of a gear shifter and a brake lever into a single, MiniMODs 7 Speed x7 Upgrade SetSpecifically designed to upgrade Brompton's original P/T Line to a 7 speed external gear system, the necessary components are as follows: 【BROMPTON x Custom】Introducing the C LINE 15-speed conversion. I got the x3 unibody cog piece, upgraded from the stock two speed derailleur to 3 speed. 4. They said yes and confirmed it would be around £100 to do it. Watch this video to best understand the 12 speed system. 16K subscribers in the Brompton community. The original Brompton derailleur system is used on 2 speed and 6 speed Brompton folding bicycles (not to be confused with the 4 speed derailleur introduced w City exploration should be fun and smooth, which the P Line Explore - 12 Speed model guarantees. Note that if your bike is 2017 onwards you’ll need the integrated gear and brake handle, cable, and pusher assembly. 41 votes, 21 comments. 54m to 8. 5 at brilliant bikes. Frequently Asked 12 Speed Questions ARCC Converted T-Line (4 speed): 3. 5 mph (25 km/h) Installation Time: 20–30 minutes: Compatibility: Brompton, Dahon, Carraro, and Tern (standard 2 or 3-bolt mount) Charger. ADMIN MOD Brommieplus BWR 6-to-9 Speed Conversion The conversion kit is here. KMC Chain 6. However, given that the new model is only offered in a 4-speed option, I'm concerned about how this will affect my ride. 56mm which make them 10 speed shimano. In addition I've upped to chain ring size so by doing this mod I've gained some additional top speed gear while This modification kit will convert a Brompton P/T Line shifter from from 4 to 5 speed - This version is compatible with most aftermarket 3rd party derailleurs. In combination with a 58t chainring the top speed feels pretty good now. It is compatible with the We changed our 4 speed Brompton P line to 5 speedsFrom 11/13/15/18T sprocketsTo 11/13/15/18/21T sprocketsBefore making the change we did a test ride with pow BrommiePlus provides custom built wheelsets for Brompton, and also stocks Brompton wheel components, including rims, hubs, spokes, and nipples. Based on Brompton's patented chain pusher mechanism, this kit will bring your C line 2 speed bike to 5 speed with an expanded gear range of 191%. Easiest way is to buy a MTB cassette like the Deore 11 Speed 11-51T and take the first 5 gears. Frequently Asked 12 Speed Questions I received the Swytch conversion kit for my Brompton 6 months after ordering. . It's been a while since I ran it with no assist, I'll often go around on the lowest setting of 22% assist which doesn't feel like much. Sprockets 11-13-15-18 Tooth. Rear Wheel Double wall rim, double-butted spokes and aluminum hub body. :) The 5 speed hub is the best upgrade I’ve done to my bike. Brompton External Gear 5/7 Speed Upgrade (labour inclusive) - Silverock 7s alloy rear wheel only (Silver / Black) - Shimano cogs - KMC Chain - Aceoffix Tensioner and derailleur (Optional upgrades: I bought the 8 speed conversion kit from Kinetics which uses the Sturmey Archer 8 speed wide ratio hub. Riding the C1: The motor sounded is very quiet, can barely hear it unless I am on max boost. The stock sprockets are 11t, 13t, 15t and 18t. 1)I would have liked Brompton to have fitted a 130 width to accept a standard shimano freehub. To 5 gears with 44 front cog ( 14 rear ). A quick note for anyone considering a Brompton with less gears I’m going with the rather more involved four speed conversion to work with my existing Schlumpf gear, there’s quite a few hills over 20% gradient around here. The maximum speed of all our Swytch Kits is 32 km/h (20 mph). This is the 3/32" sprocket I've been using a Brompton Titanium 6-speed for many years now, and considering an upgrade to the new P Line. Brompton G-Line Conversion Kits. It is. uk] We are delighted to have been awarded 4/5 stars by Expert Reviews, who just finished an in-depth review of our specialised kit for Brompton folding bikes. DCCH Derailleur + Shifter 3. CHPT3 Do you want another gear on your bike? This is a relatively easy way to give your bike more gear range with almost no weight penalty and it keeps most of the Introducing the 4 speed kit for Brompton standard 2 speed bike With this kit, the gearing range increases from the standard 12T-16T (133%) to 11T-19T (173%). The 12 speed and 6 speed drive train complexity is the same. 4 to 5 Speed Conversion Parts for P/T Line Shifter (v2) for 3rd Party Derailleurs $55 . BrommiePlus also stocks Sturmey Upgrade for speed and efficiency 📍We are located at:🚲 3 Ang Mo Kio Street 62 #04-15, S (569139)🕚 Mon to Fri: 12PM to 8PM | Sat: 12PM to 9PM | Sun & PH: 12P This modification kit will convert a Brompton P/T Line shifter from from 4 to 5 speed - This version is compatible with most aftermarket 3rd party derailleurs. Final Test of Brombacher External 5-speed Shifting for Brompton Tnsioner : Brombacher Aluminium Tensioner for External 5s Pusher : Brombacher Moving If you don’t know the Brompton, the 6-speed version has a Sachs 3 speed hub to which a pair of sprockets is attached. After seeing few posts of Brommies fitted with SRAM's wireless eTap derailleurs and seeing one at Brompton Jct NYC, Nice work. The problem is that the 6 speed uses a different hub than the 3 speed. Normally the lowest cog on the Brompton is 12T. I much prefer IGH and 5 speed with smaller chainring should be fine for most hills. I kinda think if that's Brompton's intent, they hit the nail on the head for "average" cyclists. I'm in talks with them to test out a 14-16-19 cog combination, which gives you very evenly spaced gears (14-18% jumps). Archive. If your Brompton is 5 speed : Your bike will This shifter conversion part will convert the post-2017 Brompton integrated derailleur shifter from 2 to 3 speed. 5-5. The shifter is the 4 speed shifter that comes with P line brompton so it works fine. Tried a lot of combinations for a 4-speed conversion to work as smooth as anybody wants it be for our regula We changed our 4 speed Brompton P line to 5 speedsFrom 11/13/15/18T sprocketsTo 11/13/15/18/21T sprocketsBefore making the change we did a test ride with pow Schlumpf: very good for the 6-speed, not so good for the 2-speed Kinetics: not quick. —— All this is to say that the Efneo is a very nice upgrade, and for an urban style Brompton (2/3 speed conversion or P-line) I think it’s a best-in-class way to increase your gearing. Frequently Asked 12 Speed Questions FYI the parts you’ll need are: rear wheel with Brompton Wide Range (BWR) hub, 16/13t sprocket set, left hand two speed shifter, 2/6 speed chain tensioner, 2/6 speed derailleur, 2/6 speed pusher assembly, 2/6 speed gear cable. The kit basically bring the (older) 2 speed bikes to the same gearing I agree the 44T chainring gives beneficial intervals as compared to the 50T. If buying again I would definitely look at the 5 speed hubs, but historically the gear change adjustment has been finicky apparently. I live in a mildly hilly area and I use the entire range of my 6-speed on a daily basis for my 30km daily commute. Want more gears and less weight for your 2 or 3 speed Brompton / Pikes / 3Sixty? Our 5 speed conversion kit (in BLACK or SILVER) upgrades your ride to more gears with a wide ratio that consists of 1. 57 (1, 2, 3). Cogs I have a 6-speed Brompton post 2017. Below there is the list of what parts customers will need to perform the upgrade based on the model they own: 12 Speed Hub Gear Indicator Chain Choosing a selection results in a full page refresh. The stock P/T line shifter is designed to operate four road bike 9s sprockets, Once we started making these conversions from the 4-speed Brompton P Line and Brompton T Line to a 5-speed setup, it changed the lives of our customers who opted for this conversion. I looked at the comments section here before deciding which Brompton conversion to buy and noticed a comment about the OneMotor which sounded intriguing. Members Online • Anxious-Roof9212. As used on standard C Line Utility 3 speed BSR (Brompton Standard Ratio) Sturmey Archer equipped hub gear Brompton folding bikes. The cassette sprockets width measure 1. 7 to 98. A 50T/21 = 39. S$700. Add to Wishlist . 4 to 5 Speed Conversion Parts for P/T Line Shifter (v2) for 3rd Party Derailleurs $55 The Brompton is a British-made folding bicycle which is known for its unique design and compact folded size. if your Brompton is 4 speed : Your bike will become a 2 speed, it'll be an easy conversion. To go up and down the gears one by one, you use the shifters alternately. Converted my Brompton from a three speed to a six speed. Hi folks, I have a 2013 manufactured H2L and was planning to upgrade the bike from 2 speed to 6 speed. My goal is If your Brompton is 2 speed : You will loose no gearing, it'll be an easy conversation . New Look no further!! This conversion bundle allows you to convert your Brompton Stock 2 speed wheelset to cater up to a maximum of 4 speeds! The bundle includes: 1. I notice the 7-speed cassette that cam Want to reduce weight on your Brompton C line 6 speed with internal hub? Upgrade your Brompton C line to external 7 speed 11-28T package. I am running my 2-speed as a 3 speed with 12-14-19. I'll give it a test in the morning to let you know properly. The outer chain width measures is 5. If the item you are looking for is not available online, you may be able to find it at your nearest Brompton dealer. 5” gear, as compared to Hi—I have a spare M3R from 2003 which I'd like to convert to a single speed. Features that facilitate this include the responsive suspension block, shock-absorbing titanium frame, and the 12-speed gearing system to ensure a comfortable ride at any speed. Went from 3 gears with 50 front cog . I rang a Brompton Junction shop (thought they'd be best placed) to ask if they could sell a B75 with 6 speed conversion as an "official" dealer done mod. It includes:1 x 16-inch wheel with built-in front hub Motor1 x Controller1 x Disp Schlumpf High Speed Drive comes in at 420g, I'm currently running one with a wide range four speed derailleur to get 21 to 98 gear inches, just a bit wider range than the Alfine 11. Brompton BWR 3 speed hub has a range of 245% in comparison. November 2024 (1) 1 post; July The Brompton Folding Bicycle community within Reddit. 0. A while, after riding the Brompton, the double shifting, to obtain sequential gear ratios, will also typically become built into your memory, so that the double shifting becomes fluid as part of accelerating or preparing for an uphill — even with the 44T. 5 Review(s) Brompton Bicycle has been manufacturing folding bikes since mid-'70s. If your Brompton is 3 speed : Your bike will either become a 1 speed or you can convert your Brompton into a 2 speed. The Geeko-Brompton is an e-bike conversion kit designed specifically for the Brompton, it retains all the features of the Brompton perfectly, you don’t need to change anything about the Brompton including the fork, brakes and gear shifting, and you can fold it up completely as Sturmey Archer gears on a Brompton - they work reliably with a minimum of effortBut what if something goes wrong?This short video explains how to adjust your 24 votes, 10 comments. In comparison, the normal Brompton 3-speed has ratios from 44″ to 79″, and the BWR 6-speed has ratios from 33″ to 99″. Brompton chain 100 Links 3/32" with PowerLink . It is alright for flat city city buy beyond that it is heavy and boring. For flatter cities, short rides and even infrequent use, less and simpler is often better. This change means that the shifter can operate five 11 speed sprockets. If you want to turn your Brompton into an electric Brompton, then Geeko-Brompton is your great choice. Brombacher has 11T. If sending in own bike for conversion (11 speed Alfine) what would be the cost of having the complete frame resprayed, contrasting main frame and forks/rear triangle with a combination of the £0 finishes from the custom list. Best. Brompton External Gear 5/7 Speed Upgrade (labour inclusive) - Silverock 7s alloy rear wheel only (Silver / Black) - Shimano cogs - KMC Chain - Aceoffix Tensioner and derailleur (Optional upgrades: DCCH, Suncord) Promotion Price: $700 all in for 5 speed $740 all in This kit set is to upgrade C line 2 speed to 5 speed by Using original 2 speed wheelset Package includes: H&H SQT shifter (Right side) H&H gear set A/C line H&H unibody cassette 11/13/17/21/25 KMC X11EL chain (black) *price is without installation Brompton Original Parts Chain, Chainring & Crank Cycling Cap Easy Wheel Handlebar and Grips Sell the rear BWR hub to me and get 5 speed hub SRF5(W). It works very smooth with a 10 speed chain and a sturmey archer/sunrace shifter. I have been searching for guide on how to convert it to 7 speed. I had a C line 6 speed purchased in 2022 and recently converted it to 12 speed using bikegang conversion kit. Interest Free Financing . Here's what you'll need: Brompton BWR rear wheel; Rear sprocket set (not mandatory, the 2-speed comes with a 12-16 sprocket set, and the 6-speed a 13-16 sprocket set) Right-hand shifter BrommiePlus is a Brompton replacement wheels, wheelsets, drivetrain, transmission modification specialist. And since the Brompton OEM 4 cog set has 10 speed spacing, there might be enough room for five 11 speed cogs — just the clearances testing remains. The Swytch Kit gets you the best of an eBike, at a fraction of the cost. Yes , Brilliant bikes have the SA 5 speed hub wheel ready to go. And, I suspect, way too heavy for city life. Recently converted my 15 year old 3 speed with this kit. And don't get a 22T or That takes me from a 4-speed 163% range to a wider 5-speed 190% range. You can of course also change the rear cog to larger if needed. With the motor The top speed of the Boost London conversion system is 15. Brompton bikes can also be fitted with a 44T chainring reducing the ratios by 18% for very hilly conditions. Menu. P Line weight loss report epilogue. USD. The 3 speed uses the standard-range hub, while the 6 speed uses the wide-range hub. In Stock . Cytronex have done a conversion with an old Superlight Brompton which weighs less than an electric P-line. There’s 5 settings of boost, all adjustable. "Weighing between 2-2. So, you can Do even more. If you currently have a 2-speed (derailleur) bike, to convert to a 6-speed you'll be adding the internal gear hub. After researching a bit more, I took the plunge. The kit was very well packaged and I found the fitting instructions very clear and so didn’t have a problem installing the conversion kit. We can convert ANY Brompton bike, new or old. 3, 4 and 6 speed systems use a 50T chainring to give a wider overall range. 0. Upgrade your Brompton P or T Line bike with the Brompton Advance 4-Speed Sprocket Set. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device Converting from a 2-speed. The cassette spacers measure 2. (Essentially a new hub and shifters+cables That’s why we offer you a choice of gears. Members Online • raydeng. If you try a good one you will be surprised, really. I went with the Brompton Electric as I felt having a manufacturer warranty was worth the extra cost, I wasn't certain how long I'd have to wait for a conversion kit (this was 2. There isn't any overlapping with the 6 speed, don't really know what you refer to. Macadam says: April 10, 2016 at 8:44 pm. Cost saving! Save approx 900gr using T line wheelset. Sign in . 5 spe. Press the space key then arrow keys to make a selection. ARCC Converted T-Line (4 speed): 3. After reading How to upgrade your 4 speed T Line or P Line to 5 speed 21T - flawlessly and cheaply, I decided to give it a try and it worked!. The gear range with 13t rear cog and 54t front chainring – both completely standard – is 19” to 102” (1. Order now. I’ve discovered that it’s a Sturmey Archer FCS30 model with 33 Discover the Swytch universal eBike conversion kit that lets you make any bike electric effortlessly. Brand new. Brand new 2 speed used (and still does) a Brompton proprietary derailleur system. Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device Bromptons come in different gear options:1 speed (discontinued for 2021)2 speed - 2 sprockets and a derailleur3 speed - Sturmey Archer Hub gear - BSR6 speed Note how the "middle" range of the Brompton 12-speed aligns with the 3-speed and 4-speed, where Brompton thinks most people ride. I’m very happy I went with this kit. It works well enough but 4th gear is really noisy and lossy. Try it with the Google translator: I recently purchased the OneMotor friction drive conversion kit for my Brompton SL6 (Black edition) from https://onemotor. Hey Drdul, Thanks for the post! I was just mentioning to another Brompton owner who was looking into different electronic conversion kits for his bike that I liked the Swytch Kit--but after a kid literally ran into my front wheel the other day (he ran around his mother like she was setting a screen for him, lol) and I had to stop on a dime, that I wouldn't be It is easy to convert your Brompton Bike to eBike using this conversion kit. There's much cheaper MTB cassettes on eBay/AliExpress that can work for you. Yes, you may upgrade your current 4-speed gear P line to 12-speed. City exploration should be fun and smooth, which the P Line Explore - 12 Speed model guarantees. This past weekend, I installed a Swytch e-bike kit on my mid-2000s Brompton M6L. Just like our bike, Brompton’s 12-speed gear system is unique. Lightweight and durable, it is the perfect enhancement for your Brompton's drivetrain. now one of the conversion kits ive looked into, "Sparticle", comes in three models, the standard Having difficulty on climb or slope while riding a 4 speed Brompton? This upgrade kit will help you overcome the challenge! Upgrade your P or T line Brompton 4 speeds to 7 speeds with 11-28T wide ratio cassette. I’m almost at the point of ordering a new bike with this hub. At the beginning of 2024 Brompton launched the following 12-speed (known as Explore) bikes: T Line 12 speed; P line 12 speed; P Line Electric 12 speed; C Line Electric 12 speed; So then came the question Can my Urban (4 speed) be upgraded to an Explore (12 speed Choosing a selection results in a full page refresh. Changing from 3-6 Overall range of 3 cogs mod is about %180 on a stock rear triangle. Please note that this shifter is not suitable for the aftermarket rear derailleurs. Thanks Brompton Explore 12 Speed Based on the foundations of the 6-speed system, Brompton’s 12 speed provides a wider gear range for hillier terrain and to support our community of Brompton explorers. 19K subscribers in the Brompton community. 3 The outer chain width measures is 5. I've no real issue with friction shifting, I have a road bike with friction shifters, but I prefer indexed gears on the Brompton. This shifter conversion part will convert the post-2017 Brompton integrated derailleur shifter from 2 to 3 speed. My account. Home; Upgrade for speed and efficiency 📍We are located at:🚲 3 Ang Mo Kio Street 62 #04-15, S(569139)🕚 Mon to Fri: 12PM to 8PM | Sat: 12PM to 9PM | Sun & PH: 12P I've been using a 2016 brompton with front hub for 5 years already and ZERO issues. Why Clever Cycles? No Sales Tax! 350 reviews. Not sure about the reliability of the SA 5 speed internal hub. Add to basket More. Not cheap. I'm used to riding a single speed 700c bike, "Swytch’s Brompton conversion kit is ludicrously compact and light" Read the full article here [Published on 14th October by expertreviews. 5kg lighter than even Brompton’s electric P-Line range. 3 speed used (and still does) a hub gear system. I know, I could just get new 6 speed Brompton and sell my 2018 but I do like my P style steering bar which was discontinued 2019/2020. 2-speed bikes come as standard with a 54T Chainring giving gears matched for speed. 78mm which make them 9 speed shimano. It includes:1 x 16-inch wheel with built-in front hub Motor1 x Controller1 x Disp Top Speed: 15. We have spent over 12 years perfecting our system Brompton 4 speed derailleur shifter & 3 speed hub gear shifter. Ran into a bump after I was loading the “sprocket upgraded” to the Brompton last night. £16. Includes 13T sprocket, plastic chain guard and circlip. Is there anyone who has experience which such a conversion? I would love to get a better understanding of the possibilities and the parts required. It is compatible with the Brompton and third party detailers Is the Brombacher kit for the 2-speed SA Brompton? I doubt it. llolxwc cvgkac gfxqu cxer vkx eri egtvys hhw auqgv jifph