For a video overview of folding bikes, including Brompton, see BikeRadars Cycle Show 08 video coverage. The NEXUS 8-speed system delivers a high level of design, quality and function. Will the additional width of the rear triangle affect the fitment on my B&W hard case?
MT BROMO N8 | Polygon Bikes We only share visitor activity data with our partners in order to improve our service and for promotions. Work on the rear hubs means that this model has significantly less drag than previous versions so the ride is smoother than ever. Shimano Nexus 8: 90% efficient on average across 8 gears (Drivetrain loss of 20w @ 200w).
if so, what will be the cost? Leading Brompton Specialist in London Gazelle bike Stockist in London. 8-SPEED. You can read the full internal hub test HERE and the internal crank test HERE. RevoShift features low effort rotational twist shifting action that lets you keeps your hands firmly Shimano SL-RS45 Revoshift With Optical Gear Display, SRAM MRX 8spd Twist Shifter Rear 2:1 (fits Shimano), For use with Nexus 8-speed hub gear system, Full range shift action means you can select the gear you want without having to shift through each gear. Log In. The same 40/19 ratio gives a bottom gear as low as 30 inches and a top of 92 inches. Thanks, Im interested in the Alfine 8 speed conversion kit, does the price include everything I need to convert my bike or are there additional parts I need to purchase outside of this? Alfine 11: 24 to 99 0% Finance Over 500. Nuvinci 360: 83.5% efficient on average across the gear range (Drivetrain loss of 33w @ 200w). Ive got one of your alfine kits and wondering if the chain tensioner is standard, or custom. Two things are surprising, however; in the direct drive gear (number 11) its less efficient thangear 8 despite it engaging more moving parts, and the noisiest gear (number 7) isnt actually the least efficient. Folding the bike back on itself damages the belt drive, affecting its efficiency and perhaps even stopping it from working altogether. The wheels on the tensioner have to be extended away from the sprocket, AND laterally towards the wheel, to match the new chain line. Hi, is polished steel (shiny silver) possible for rear frame (alpine 11 kit) and estimate waiting time? The New Brompton Folding Bike Has 2.4 Tyres For Off-Road Terrain.
Hub Gear Sprockets Guide | Technical Articles | SJS Cycles 05922378 To enable reviews and Q&As click the 'Cookie Settings' button below and enable functional cookies.
Nexus | Shimano Bike-us 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. You've been subscribed to our newsletter. This. 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. Socit en Commandite par Actions Registered Office: 22-24 Boulevard Royal L-2449, Luxembourg. Is my Brompton a long or short wheelbase? Use Brompton BWR 3-speed hub to create a full 700c wheel? On A Flat 100km Route (0% Gradient) 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. The differences are explained most clearly here by Sheldon Brown. Depending on how you choose your number of teeth front and back, you can match the gear range of the Alfine, and then choose to place your extra gear either at the high end or the low end. Electric or pedal-powered, steel or titanium, flat commutes or epic adventures. Call 029 2052 9955 or email us and this bike could be yours today! You will be provided with a 2 hour delivery slot from Monday to Friday on next day deliveries. The earlier hubs were a two-speed design, but these days we have the 14-speed Rohloff hub as our benchmark. 03398601 | VAT No: 484 5446 17. 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. 7.00 Quantity Add to cart Add to wishlist More info Brompton 12 tooth rear sprocket with Simano style splines For use with: Brompton single / two speed rear wheel (this sprocket comes as standard with the 12/16T sprocket set used on the 2 speed rear wheel) Brompton / Sturmey Archer BWR (wide ratio - market BWR on the hub) rear wheel. Save 25% + Crankbrothers Stamp 1 pedals (worth 49.99) when you subscribe to MBUK magazine. To put that into perspective, carrying 5kg extra on your touring bike would add 5 minutes to your ride time (2.3% slower) on the same route. Change). Several improvements are planned soon: fork, Disc brake, chain tensioner, DI2.. I ride a 5 year old commuter bike with a Shimano Nexus 8 internal hub gear, that's done about 20,000km. Box Contain: Wheel Only. Registered in England. for paint, do you have the 2019 Flame Lacquer color? Required fields are marked *, Kinetics826 Garscube RoadGlasgow G20 7ETScotland, mail@kinetics.bike0141 942 2552 (Intl: +44 141 942 2552). Performance Cycling Limited trading as Tredz is authorised and regulated by the Financial Conduct Authority.
Folding Bikes | Mens & Womens Commuter Bikes | Brompton UK Urtopia Carbon One Review: The Smartest E-Bike in the World? The cadence (pedalling speed) was set up at 60 RPM which provided the most consistent data. Yes, most standard Brompton racks will fit my rear triangle sometimes you need to bend the stays out a little, or bolt them on the inside of the dropout instead of the outside. I'm really tempted to have a go myself, I'd need a ( Back ) rim, dynohub and the correct length spokes / nipples + rim tape plus the wiring loom / lights which tends to make me think it may be more economical but less fun to buy the complete kit. The Di2 version use the SG-S705 hub which doesnt contain this spring (otherwise the spring will oppose to the electric motor).
Tab connector for Shimano front dynamo hub - Brilliant Bikes 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. 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. Chainline is the next consideration. Brompton; Merida; Shop all brands. Hi February 16, 2013 Bob Jones. Aug 2, 2017 409 249 80 Hampshire. Also whats the timeline for shipping to Singapore? See product terms for more details.
More on the Brompton 8-speed conversion.room for improvement? Belt drives are a popular choice on folding bikes. Our registration number is 720557. Credit provided subject to age and status. Does this 11 speed kit include with cog?what about front wheel, can you modify so we can put disc brake to? Belt drives and foldable bikes are a powerful combination offering an even more convenient ride and letting you take your bike anywhere. Folding Bikes, Recumbent Bikes & Trikes, Cargo Bikes, Tandems, Custom Framebuilding. The Alfine version with Rapidfire shifter use the SG-S700 hub which contains an internal spring to tight the cable. The 8-speed kits now come with a Sturmey thumb shifter as standard, which is much better on the Brompton bars than the usual Shimano Rapidfire shifters. Shimano Nexus hub gear bikes have internal gears, tucked away in a kind of drum unlike some more traditional bikes where the gears can be seen on the outside of the back wheel. The new 302% range puts it in the league of Shimano's well received Nexus 8 speed, but with only three hub gears there should be none of the drag associated with more complex multi-speed hubs . Thanks. Crank is a shimano alfine,which is easy for chain line modifying. Don't want / need the complete set - if for example you want to choose alternate lights? However, the diameter of a 27.5x2.8" tire is significantly smaller than the standard 29x2.6" tire, hence changing to a mullet setup would reduce BB height and pedal to ground clearance while also slackening both the effective seat and head tube angles.
12 Reasons to Consider Shimano Nexus 8 Hub Gears - Edinburgh Bicycle How Does Gearbox Efficiency Compare To Derailleurs? Whether you want to commute or adventure, the S8i wont let you down.
The most common form of bicycle gearbox is the internal gear hub, which has been available since the late-1800s. I offer two disc options, the mechanical BB7 (reasonably powerful, simple to service) and the hydraulic Hope Race X2 (very light, very low maintenance, very powerful).
Shimano Nexus 7 BikeRadar Is there a price for a bare metal option and a price for already painted? I.e. Occasionally they have been known to work loose and fall off - which is why we offer this spare part! Get all the latest deals and special offers, first. Knowing the speed difference, we can determine the time differences over the course of a typical touring day using Bike Calculator*.
3 Speed Sturmey Archer Thumbshifter - SJS Cycles The chain line is a good 10mm out (maybe more) but this is no worse that a chain puts up with on a cassette derailleur set-up.
Shimano Nexus Bikes | Edinburgh Bicycle Coop Produced in collaboration with Sturmey Archer, it combines a specially made, wide-range three speed rear hub with a two speed derailleur to give an impressive 302% gear range over six evenly spaced gears. Discerning Cyclist is a participant in the Amazon EU Associates Programme, an affiliate advertising programme designed to provide a means for sites to earn advertising fees by advertising and linking to amazon.co.uk. Improved brake callipers mean more efficient braking and quick-release wheel removal makes any maintenance a breeze. Take Tyres: 700x30c up to 700x47c. Best Folding Bikes with Belt Drives (Top 3), Brompton A-Line vs C-Line: Four differences to know. Shimano Alfine 8 vs. Shimano Alfine 11 The FSA Vero compact crankset looks infinitely better than the Sturmey one, so its on order and Ill know if its going to work later this week. Pay in 3 eligibility is subject to status and approval. The first thing to note is that the Brompton bottom bracket has a 119mm ISO square taper axle. Hi Ben, Can the dynamo light be turned off when stationary just after cycling & charging it? Lightweight and easy to . It may even make sense to change the bottom bracket for a JIS taper version at some point Shimano sells them in 118mm and 122.5mm axle widths, so its likely I can achieve a fit one way or the other. Built time at the moment is about a month. Videos, Which Bicycle Gearbox Has The Highest Drive Efficiency? The Brompton SP / Shimano hub dynamo connector looks like a very small Lego brick, and connects to either the (new for 2019 model) SP - Shutter Products - and the the Shimano hub dynamo. Its a little heavier than the Hummingbird (but not drastically so) and it folds down extra small as compensation. I'm looking at Shimano Steps E6100 bikes - some specified Nexus 8, the newer ones sometimes now have Nexus 5E hub gears. I started looking around for alternatives. 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. . Lighting, fenders and front brakes all needed to be added separately. In Stock. Alfine 8-speed Kit, integral rack 815, Alfine 11-speed Kit 795 Super compact. Learn more about Discerning Cyclist here. 1. 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.
Which Bicycle Gearbox Has The Highest Drive Efficiency - CyclingAbout. However, the chain tensioner is so close to the sprocket that its not possible to use one with more than 20 teeth. 5 New Bicycle Gearbox Drivetrains (Revolute Hub1, 3X3 Nine, Pinion). Compton Cycles About Compton Cycles Contact Us Workshop. we will endeavour to deliver the goods as soon as they arrive from manufacturers. Our standard delivery service is FREE in the UK, regardless of the size and on all orders over 20. what is the widest tire ( with mud guards ) are possible with the alfine 11 rear triangle ) ? It's easy to return a product with our 365 day, hassle free returns. I measured it and came up with about 38mm, so that checks out. We are committed to offering fast and free delivery, whether you're ordering bikes, accessories or clothing. This enabled me to ride the bike, but folding was a disaster. 49.99 Inc VAT. Im not exactly sure why these may be. Although I have an engineering background I don't know enough about bike wheels to know the pros and cons of the different lacing systems etc. Although it is possible to convert your Brompton into a belt drive bike with some DIY, it isnt recommended. Does the 11 speed retain the Brompton crank/chainset and use their chainrings? For the 11-speed kits, I strongly recommend the Jtek shifter: Add Jtek 8-speed shifter - 50 Add Jtek 11-speed shifter - 70 Our shops. In comparison to Shmanos dynamo wheel/hub, how much lighter is this one? Join our weeky newsletter to get early access to our latest discoveries. I hadn't realised it was official Brompton Kit, I thought it was a package that you had put together yourself. What is type of shifter that good for p-type handlebar? The frame has clearance for a 27.5x2.8" tire so a mullet (29" front, 27.5+ rear) is possible.
Shimano Nexus Gears | Nexus 7 | Nexus 8 - Edinburgh Bicycle These two gearboxes average out to have similar efficiency. All of this comes at a cost, though, so belt drives are usually more expensive. 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. Its possible for add ons like spares eg: cables and the mod tensioner? It is the sun gear rotating and engaging the axle pawls. 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). a darker laquer than the standard version. The design is clean and streamlined, with no protruding derailleurs and a nearly silent operating volume. As with all belt drive bikes, its low-no maintenance. . Clydesdale Financial Services Limited is authorised and regulated by the Financial Conduct Authority (Financial Services Register number: 311753). There are a few reasons why the Pinion P1.18 is less efficient than a Rohloff hub. Shimano Nexus Hub Gear Bikes. Beixo might not be the biggest name on this list, but their Pyora advertised as a no nonsense alternative to more expensive bikes, packs a punch. 0 O. Ocsid Esteemed Pedelecer. Priority Bicycles Review: Are Priority Bikes Actually Any Good? Thanks for your explanation of your thinking here. Can You Get a Belt Drive on a Folding Bike? Sign in to manage your newsletter preferences. 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). Customer Reviews ( 14) 4.6 / 5 | Write your review. Belt drives dont need to be greased, either. I assembled. If you do the bulk of your riding in the higher gears (ie.
Birdy City 8 Speed Nexus 2022 Folding Bike - Damian Harris Cycles At the FSC30 chainring, I found the chainline to be around 40mm not perfect but not too bad either. PayPal Credit is subject to status. The Shimano Nexus 8 (practically the same as the Alfine 8) has an interesting efficiency graph. As the name suggests, there are eight gears packed into a hub weighing about 1.55kg (for the unbraked version that I tried - add 200g for the roller braked.
Any base bike will work. Tried to comment on the NuVinci page but couldnt since the comment box was missing how much weight does the NuVinci setup add over a stock 6 speed and how does it compare to the Alfine 8? For about US $1000 or 1000 you can get an 8-speed bike with a belt drivetrain that's fully decked out and ready to go. All employees paying tax through PAYE are elligable.
Bike Forums - 16 speed Brompton with shimano nexus 8 Ian. Thanks. In Stock.
Brompton BLACK SP SV-8 hub dynamo kit - including front Brompton wheel Birdy City 8 Speed Nexus 2022 Folding Bike, Birdy City 8 Speed Nexus 2023 Folding Bike, Frame colour cyan*; graphite matt*; lime*; white*. A low-tension lubed chain was used to drive the wheel and the same front chainring was used for each test. Thanks. Can you paint the rear triangle with black lacquer? Registered office: Icknield Street Drive, Washford West, Redditch, Worcestershire, England, B98 0DE. Performance Cycling Limited acts as a broker and offers credit from PayPal Credit. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. For the 11-speed kits, I strongly recommend the Jtek shifter: Add Jtek 8-speed shifter 50 i am interested in the Alfine 11 kit with integral rack for my Brompton. Hi can i use my 44 chainring as fitted to my m3 ? 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. It depends what else you have on its own, theres not much difference. Microshift BS-No8 Alfine / Nexus Inter 8 Bar End Shifter. Shimano Nexus 8 Speed Revo Shifter 14.99 or available with 0% APR finance on baskets over 99. If versatility is your primary motivating factor then this is the place to look. Thanks! In comparison, the normal Brompton 3-speed has ratios from 44 to 79, and the BWR 6-speed has ratios from 33 to 99. We stock bikes with Shimano 8, Shimano 7 and Alfine 8 hubs.
Internal Hub | Gear Shifters | Transmission - SJS Cycles Tel: 0345 257 0808. Again, it wont be perfect, but 3mm difference between front and back doesnt seem to likely to be much of a problem.
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