Thank you. May I know what is the Di2 Kit come with for GBP500? While the data from the graph indicates the drivetrain efficiency for each gear, Ive averaged out the drivetrain efficiency across each gear range to come up with the following numbers: Singlespeed: 97% efficient (Drivetrain loss of 6w @ 200w). Brompton Sprocket / Disc Set 12/16T 2 Spd. The Pinion 18-speed gearbox is growing in popularity and is now found on touring bikes from more than 100 manufacturers. I am considering alfine 11 gears with the built in rack- what additional weight will this add to my M6R? Ive got one of your alfine kits and wondering if the chain tensioner is standard, or custom. Log In. Brompton has recently announced its widest range gear setup yet, the BWR Brompton Wide Ratio. 05922378 Call 029 2052 9955 or email us and this bike could be yours today! There are a few reasons why the Pinion P1.18 is less efficient than a Rohloff hub. Do you have detail instructions for installation with the shipped conversion kits? Cycle to Work Scheme is not available on sale items. Brompton introduced the SP SV-8 dynamo set in 2018 to replace the Shimano and SON hub dynamo systems, it comprises a 16 inch Brompton / SP SV-8 hub dynamo 16 inch front wheel and everything you need for the complete dynamo system . 2009 also promises a new saddle design and a new superlight, high quality front wheel option. Brompton; Merida; Shop all brands. Full Representative Example: Representative 21.9% APR (variable), Purchase interest rate 21.9% p.a. As with all belt drives, theres zero maintenance and the bike is available in three colours. http://www.bromptonforum.net/t8191-green-lime-alfine-brompton-by-kinetics, Really interesting article, many thanks for posting this. Learn more about Pay in 3. Hydraulic Disc Brake Add-on (Magura MT4) 110 Please can someone tell me if the front light that comes with this kit is bright enough or would you recommend purchasing one of the higher lux ones available? I was keen to imitate the gearing on my big bike (26 wheels) which uses a Shimano Alfine 8-speed hub (39T front, 20T rear.) If I order a gloss rear end with alfine 11 di2 black hub on silver rim/spokes. Click HERE To Check Out The Tyre Testing and HERE To See The Aero Testing, CyclingAbout is an Elite Cafemedia Lifestyle Publisher. The previous maximum Brompton offered was 213% in the form of its SRAM adapted six speed arrangement rather disappointing for six gears, reinforcing a traditional criticism that the Brompton lacks gear range. thanks Change), You are commenting using your Facebook account. Inside The Revolutionary Honda Bicycle Gearboxes (All 3 Generations). Its the motor, battery, holder, charger, cables, handlebar control, display, modified tensioner etc basically everything you need. Shimano's Nexus Inter-8 hub has all the same benefits but with an extra gear for an even wider range, equivalent to an 11-34 cassette, so better for hillier terrain, although some of the gear steps are a little wider as a result. If you want to slip through traffic on the daily commute but tackle more arduous paths on the weekends, this is the bike for you. Customer reviews and Q&As are disabled because you declined functional cookies. 700c 622-18 36H Silver. Discerning Cyclists expert reviewers spend hours testing and comparing cycling products so you dont have to. Discerning Cyclist is also an affiliate partner for several other programmes, including Rakuten, which you can learn more about here. I take it that the SP Dynamo is silver in colour, otherwise I'd be tempted to buy the Kit with some black spokes and rebuild my existing wheel. Hub Gear Sprockets Guide | Technical Articles | SJS Cycles I'm looking at Shimano Steps E6100 bikes - some specified Nexus 8, the newer ones sometimes now have Nexus 5E hub gears. Gearbox efficiency can make a significant difference at the extremes (comparing the best and worst performer) but is much more negligible in the scheme of resistance. Thats why so many people opt for the cleaner, simpler belt drive on their folding bikes. i am interested in the Alfine 11 kit with integral rack for my Brompton. This enabled the bike to fold without damage, and the chain to be held clear of itself by the sprung arm. Electric or pedal-powered, steel or titanium, flat commutes or epic adventures. Change). Hi, I have a 2017 Brompton Black edition with M type handle bars. This is free for all orders over 20 and costs 2.95 for any orders under 20. I have the rims in stock, build time for kits at the moment is about 6 weeks though Di2 parts are very hard to get right now. 15.99 Inc VAT. Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), Click to share on Pinterest (Opens in new window), Click to email a link to a friend (Opens in new window). The belt drive is silent, efficient and near totally maintenance-free: you wont need to grease it or worry about grease marks. Andreas Oehler from online magazine FahrradZukunft conducted his own testing to find out the drivetrain efficiency between gearboxes, using a single-speed drivetrain as a benchmark. For this article, I will focus on the power rate of 200 watts as its in line with my other testing. I couldn't work out how to do this at train station where lights not allowed on platform Hi, how much does the front wheel weigh? Do Shimano Nexus hubs lose efficiency as they get older? Birdy City 8 Speed Nexus 2022 Folding Bike - Damian Harris Cycles As with most drivetrain parts, shifters arent really something you can upgrade in isolation. How to fix a puncture on a Brompton - BikeRadar document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Enter your email address to follow this blog and receive notifications of new posts by email. All of this comes at a cost, though, so belt drives are usually more expensive. if so, what will be the cost? Any base bike will work. Sturmey Archer SLS30-T 3 Speed Thumbshifter - HSJ962. Also whats the timeline for shipping to Singapore? Shimano Alfine hub gears can be fitted to a Brompton, using my custom rear triangles you can have an 8-speed or 11-speed with an optional disc brake. Because the overall range of the Alfine 8-speed hub is slightly narrower than the SA 8-speed hub (306% against 325%), it means you effectively have an extra gear. Our experience with the different hubs shows us the best use for each. nexus 8 | The mistymornings.net blog Tag Archives: nexus 8 16 speed Brompton: Part 2 Posted on Sunday 30th May 2010 10 My SRAM gears have been having problems recently when back pedalling. Learn more about Discerning Cyclist here. I need to stay close to 33 teeth to achieve the gear range of the original, which seems ideal for the rather hilly countryside around here. Many technical advances have been achieved, like incorporating SHIMANO's unique Gear Change Support mechanism that makes a real low effort shifting. Looks almost the same, but not quite! Shifters sit on your handlebars and are the levers you use to change gears. Physically different connectors to the hub dynamo itself would not be a problem. MT BROMO N8 | Polygon Bikes Billed as the super commuter the Verge S8i is substantially cheaper than the Hummingbird but still comes with a high grade Shimano Alfine 8-speed gearbox. Hi, The design is clean and streamlined, with no protruding derailleurs and a nearly silent operating volume. The New Brompton Folding Bike Has 2.4 Tyres For Off-Road Terrain, Belts Are Now Better Than Chains On Bicycles (135,000km of Testing), Biking The Otherworldly Landscapes of the Jordan Bike Trail (Video). The hub has a 20 tooth sprocket on the back, so according to the online gear calculator, it produces a range from 27.3 to 88.7 gear inches. Brompton SP SV-8 hub dynamo kit - Brilliant Bikes The rear cog has to be 18t, but the chainset can be 44t or 54t to move the ratios up or down. 49.99 Inc VAT. Use may affect your credit score or make credit less accessible or more expensive for you. Its smooth, lightweight, requires close to zero maintenance, and is perfect for city living. Shop By Price; Under 1,500; 1,500 - 2,000; 2,000 - 3,000; Rohloff Speedhub 500/14 Hub Gear Reversible Splined Sprocket Steel. Customer Info Buying a bike Choose the right bike Sizing Advice Gazelle Battery Info Returns Policy and what is the widest front tire with the fron disc fork ? Can you mimic/recreate the raw laquer black edition on your triangles/ forks? Registered in England. Registered No: 2901725. Can the dynamo light be turned off when stationary just after cycling & charging it? Part of my problem, I think has been using drop bars and the jtek bar end shifter. Andros handlebar for adjustable riding position. You might need new ones as part of a drivetrain upgrade, or because youve damaged yours in a crash. Shop By Price; Under 1,500; 1,500 - 2,000; 2,000 - 3,000; Or you can have the Di2 electronic shifting, with a very neat little switch and handlebar display. The less efficient Nuvinci 360 adds 13 minutes and 20 seconds to your cycling time (5.9% slower) when compared to the Rohloff. 03398601 | VAT No: 484 5446 17. Hi, a few questions regarding to alfine custom kits. Two different test rigs were set up to measure both internally geared hubs and internal crank gearboxes. The email address is not valid, please try again, Co-Motion Rohloff Shifter for Speedhub 500/14, Microshift Inter11 11 Speed STI Levers for Shimano Internal Gear Hubs, Campagnolo Athena Ergo Shifters converted for Gebla Rohbox for Rohloff, Gilles Berthoud Twister for Rohloff Hubs - Black, Gilles Berthoud Twister for Rohloff Hubs - Silver, Jtek 11 Speed Thumbshifter for Shimano Alfine SG-S700 Internal Hub, Gebla Rohbox Compatible Shimano Deore Gear Levers, Jtek 11 Speed Bar End Shifter for Shimano Alfine SG-S700 Internal Hub, Rohloff 14 Speed Handlebar Left Hand Twistshifter Light for Speedhub 500/14 - 8207, Rohloff 14-Speed Handlebar Twistshifter Light for Speedhub 500/14 - Wave Design - 8206, Shimano Alfine SL-S700 11 Speed RapidFire Lever - Right Hand, Hubbub Drop Bar Adaptor Mount for Twistgrip 73 mm, Hubbub Drop Bar Adaptor Mount for Rohloff 63 mm, Jtek 8 Spd Bar End Shifters Mk2 for Shimano Alfine & Nexus Internal Hubs, Jtek 8 Speed Thumbshifter Mk2 for Shimano Alfine & Nexus Internal Hubs, Microshift BS-No8 Alfine / Nexus Inter 8 Bar End Shifter, Brompton Hub Gear Shifter with Integrated Brake Lever - RHS - 3 Speed - Black / Black, Brompton Hub Gear Shifter with Integrated Brake Lever - RHS - 3 Speed - Silver / Black, Brompton P Line Advance 4 Speed Shifter & Brake Lever - Black, Shimano Alfine SL-S7000 8 Speed Rapid Fire Plus Shift Lever - Right Hand, Shimano Alfine SL-S503 8 Speed Rapidfire Shifter - Right Hand - Black, Shimano Alfine SL-S503 8 Speed Rapidfire Shifter - Right Hand - Silver, Sturmey Archer DLS30 3 Speed Trigger Shifter, Sturmey Archer Twistgrip 5 with Inner Wire - TSS56 HP. Take our Bike Quiz tool to discover what type of bike you actually need. Brompton's P Line features a titanium rear triangle, and is offered as a lighter sub-10kg option to the original all steel Brompton, now called the C line, which will weigh in between 24.7 and 26 . All Rights Reserved, Company No. ( I have a 2015 Black / Orange edition ). 20 inch trifold based on Brompton design, with Shimano Nexus 8 Internal Gear Hub. It's easy to fit with only a few tools needed and the lights are surprisingly bright. Belt drives can be theoretically fitted to a Brompton, but no major belt companies recommend this. Create one now, RevoShift features low effort rotational twist shifting action that lets you keeps your hands firmly around the handlebars. See product terms for more details. Thanks. What is type of shifter that good for p-type handlebar? (Need to paint an entire frame, would like it to match). 13.99 Inc VAT. (variable), Assumed credit limit 1,200.00. Performance Cycling Limited 2023. Improved brake callipers mean more efficient braking and quick-release wheel removal makes any maintenance a breeze. Alfine 8-speed Kit, integral rack 815, Alfine 11-speed Kit 795 Registered Office: 1 Churchill Place, London E14 5HP. Pay in 3 eligibility is subject to status and approval. Although it is possible to convert your Brompton into a belt drive bike with some DIY, it isnt recommended. Brompton Alfine Kits - Kinetics SJS Cycles part number : 24027. As with all belt drive bikes, its low-no maintenance. The gearing will move up very slightly to a range of 28.1 to 91.4 gear inches. To avoid Chainset modification, witch Brompton Model (M1/M2/M6) i have to find ? Thanks! I wondered if you make titanium rear frames? Shimano Nexus 8. originally I had an extra sprocket added, making it 3s sprockets, is this kit compatible for such settings? We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. Internal Hub | Gear Shifters | Transmission - SJS Cycles You can buy 25-tooth dished sprocket to fit the 8-speed hub. Yes, all my rear triangles are stainless steel, so they can be left in a brushed finish. Folding the bike back on itself damages the belt drive, affecting its efficiency and perhaps even stopping it from working altogether. Our flexible finance options mean you can purchase this product with a minimal deposit (or call us and arrange a deposit that suits you). List of the 15 Best Belt Drive Bikes for Sale Priority Ace Boardman URB 8.9 Urban Hybrid Bike - RECOMMENDED Connor Woody Scorcher Priority Continuum Onyx - RECOMMENDED Cube Hyde Pro Canyon Urban 8.0 Yes, no problem youll have quite low gearing of course. Join our weeky newsletter to get early access to our latest discoveries. Having the gear mechanism enclosed has many advantages including making it more weather-resistant. On A Flat 100km Route (0% Gradient) Alfine 11-speed Kit, integral rack 885, Cable Disc Brake Add-on (TRP Spyre) 110 To put that into perspective, carrying 30kg (66lb) extra on your touring bike would add 5 minutes to your ride time (2.6% slower) on the same route. The differences are explained most clearly here by Sheldon Brown. Please note: For hygiene reasons, we cannot accept returns of facemasks, undershorts or underwear if the item has been removed/unsealed from its original packaging. IKEA Sladda: What Happened (and Why Did it Get Recalled)? Registered office: Icknield Street Drive, Washford West, Redditch, Worcestershire, England, B98 0DE. Alternatively, I know the JTek works well on the M-type bars. Folding Bike Review: Whats It Like to Ride a Folding Bike. Shimano Nexus 8 Speed Revo Shifter 14.99 or available with 0% APR finance on baskets over 99. Yes, my kits fit to any Brompton for the B75 handlebars, the JTek shifter is the best one to use. The chainwheel misses the rear frame on folding by a good 4mm. It's quite obvious that gear 5 is the direct drive gear, using 20 watts less than the 4th gear. Is it possible ? But lets put the pros and cons of gearboxes aside for a second. Take Tyres: 700x30c up to 700x47c. There is no easy way to correct the chainline at the back. As a general rule folding bikes are one size fits all catering for people from heights of 4' 10" - 6' 4" (148cm - 193cm). New bicycle gearboxes are coming onto the market quicker than at any time in history. The most common form of bicycle gearbox is the internal gear hub, which has been available since the late-1800s. Thanks! Already have an account with us? Will the custom-built rear triangle be able to fit a 406 rim and tyre? Don't have an account? According to the Sturmey Archer spec, the 8-speed hub with flat 20-tooth sprocket has a chainline of 39.7mm. The hub will be available from January 2009 but Brompton are taking orders before this. Brompton inner tube 16 x 1 3/8 inch / 37-349 - Schrader valve, Schwalbe Marathon Plus 16 x 1.35 tyre with SmartGuard, Brompton right hand pedal, non-folding, aluminium cage, Brompton brake pads and holders - by SwissStop, Brompton chain 100 Links 3/32" with PowerLink, Brompton rim tape for Brompton folding bike wheels, Road brake pad inserts from Fibrax - Black, WEEE - Waste Electronic Equipment Regulation directive. Are there fittings to attach to rack? Which Bicycle Gearbox Has The Highest Drive Efficiency - CyclingAbout. Built time at the moment is about a month. for paint, do you have the 2019 Flame Lacquer color? Your email address will not be published. You can read the full internal hub test HERE and the internal crank test HERE. The custom tensioner is needed the standard tensioner cant cope with 18t or the altered chainline. PayPal Pay in 3: PayPal Pay in 3 is not regulated by the Financial Conduct Authority. It connects to the Shimano hub dynamo. Our shops. If no one is available to sign for your goods, the courier will leave a card with instruction of where you can collect it. These two gearboxes average out to have similar efficiency. However, the chain tensioner is so close to the sprocket that its not possible to use one with more than 20 teeth. (I need a chris king headset as well) Because my new rear frame is disc-ready, you can upgrade the brakes easily later the hubs have a centrelock fitting to take a brake rotor. Performance Cycling Limited trading as Tredz acts as a credit broker and offers credit products from Clydesdale Financial Services Limited trading as Barclays Partner Finance and PayPal (Europe) trading as PayPal Credit. The kit includes a complete new rear wheel, new rear frame* in a colour of your choice, new chain tensioner, gear shifter, and fittings. . In Stock. I have an M6R Brompton, not sure how old as I bought second hand and the detail sticker is blank. Equipment . Videos, Which Bicycle Gearbox Has The Highest Drive Efficiency? Barclays Representative Example: If total purchase price is 1,399.00 and your selected term is 36 months 14.9% APR Representative, Annual Interest Rate 14.9% Fixed, you would pay 47.79 per month. Testing . In comparison to Shmanos dynamo wheel/hub, how much lighter is this one? Plus if I arranged for it to be delivered to you, would it be possible to have the conversion done and then sent to me. If you do the bulk of your riding in the higher gears (ie. Bike Forums - 16 speed Brompton with shimano nexus 8 Our site uses cookies. To view our Shipping & Returns Policy, click here. I started looking around for alternatives. Bicycle Touring . You've been subscribed to our newsletter. The simple reason for this is that Brompton bikes are designed to fold back on themselves, something which belt drives aren't supposed to do. The cadence (pedalling speed) was set up at 60 RPM which provided the most consistent data. Could you put me on a wait list for the black wheel version when it becomes available?Many Thanks,Dennis. Bike is 2008 M6R. Any geared bike needs shifters. . Does this 11 speed kit include with cog?what about front wheel, can you modify so we can put disc brake to? Ive never tried matching the Water Blue it should be possible to get a pretty close match, but yes the other option is brushed stainless. Don't want / need the complete set - if for example you want to choose alternate lights? If I send my Brompton M3L to you for conversion, do you send back all the parts you remove too, such as the original rear triangle, shell, gears, cables etc? 20 Inch "Brompton" with Shimano Nexus 8 IGH - YouTube In the test, a Shimano Ultegra 2X drivetrain achieved an average of 96.2% drivetrain efficiency, while a SRAM Force 1X drivetrain averaged out at 95.1% efficient. The Shimano Nexus 8 (practically the same as the Alfine 8) has an interesting efficiency graph. While seemingly insignificant, this is a similar difference in resistance between a set of touring tyres with an off-roadtread (Schwalbe Marathon Mondial) and a set of road touring slicks (Schwalbe Marathon). The problem is getting the large jump in chainring size with anything off-the-shelf, I built a 28T/50 and a 30T/54T and used with the SP+Mirage and it . What Is The Speed Difference Between Gearboxes? The SP SV8 is a small, lightweight dynamo hub - it is built into the Brompton front wheel to provide the power for front and rear lights with little increase to weight or rolling resistance over the normal Brompton front wheel. Buyer's Guides . (LogOut/ The Di2 version use the SG-S705 hub which doesnt contain this spring (otherwise the spring will oppose to the electric motor). Belt drives and foldable bikes are a powerful combination offering an even more convenient ride and letting you take your bike anywhere. Since the purpose of folding bikes is convenience, it makes sense to keep things as low maintenance as possible. Secondly, as the gears get higher on the Pinion it engages faster rotating internal cogs, potentially resulting in additional losses. Hydraulic Shimano Deore disc brakes, lighting system, stand and mudguards complement the features. For the 11-speed kits, I strongly recommend the Jtek shifter: Add Jtek 8-speed shifter - 50 Add Jtek 11-speed shifter - 70 The best folding bikes 2023 reviewed and rated | Cycling Weekly At most, a Pinion gearbox or Shimano Alfine 11 hub will cost you five minutes per 100km (2.1% slower) when compared to a Rohloff or derailleur drivetrain. Or I can do what I usually do to the brushed stainless ones which would make it ready for painting, but that wouldnt save any money.

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