The 8L and 8R may be useful with forward-facing dropouts if you would like to run the cable up a seatstay. Also see our article about derailerless drivetrains. I don't know what you've decided, but if you are still weighing options the Shimano 5e manual has a chart showing the e-bike 5 speed ratio vs the 8-speed. JavaScript is disabled. Plus, the bars look cleaner and the shifter on the downtube is old school. MODEL NO: HB-TC500-15: SERIES: CUES U6000 Series 10-speed: Color|1 Hub shell: Black: 0000101942 00000 n For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. FEATURES Internal geared hub for Coaster Brake version Integral Coaster Brake Gear Change Support Mechanism Weight: 1,120g View More FIND A DEALER PRODUCT SPECIFICATIONS Manuals & Technical Documents You need to select washers for your particular frame. The disc brake gets very hot but is made to withstand the heat. Most Shimano 3-speeds use a bellcrank and pushrod for shifting, rather than a pulley concentric with the axle. The photos below show the steps in installation of the cassette joint on an 8-speed hub. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. Quality control and design improve, often benefiting from the advice of partners in more developed countries. The Nexus hubs were not originally intended for use with bikes that have vertical dropouts. The smaller-diameter side faces inward. Support Us | Component categories and series of GRAVEL, Component categories and series of LIFESTYLE, Component categories and series of E-BIKE, Your smartphone to cycling computer on the bike, SHIMANO bicycle ride data collection/analysis service, SHIMANO AGAINST THE TAMPERING WITH E-BIKES, California Transparency in Supply Chain Act. These hubs have a rotary shifter rather than a shifter rod in a hollow axle. Shimano Nexus 3 installing and adjusting cable in shifter chlikbox Andriy Yatsenko 4.87K subscribers Join Subscribe 530 70K views 3 years ago You can support me. If there is no photo then it didn't happen, so I will include some builds. (Thanks to Aaron Goss for this info!). if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'sheldonbrown_com-large-leaderboard-2','ezslot_4',822,'0','0'])};__ez_fad_position('div-gpt-ad-sheldonbrown_com-large-leaderboard-2-0'); Last Updated: DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. 0000003374 00000 n Relubrication using oil and waterproof grease is highly recommended to keep water out of the mechanism. 0000032627 00000 n We and our partners use cookies to Store and/or access information on a device. https://www.ebay.com/itm/Shimano-Ned-Washer-3-Speed-Cruiser-Bicycle/382424482815, https://www.ebay.com/itm/Shimano-Nexus-3-Speed-Grip-Shift-Cable-Kit-New/264570085944, https://www.ebay.com/itm/BICYCLE-INS-SL-3S35E-BEACH-CRUISER-CHOPPER/391232454189, The middle of the Upper Peninsula of Michigan, retrieve your I'd dig around in all the parts to see if they were put in a safe place. Cycling Equipment; Bicycle Tires, Tubes & Wheels; The 333 hub was much more complicated internally than the Sturmey-Archer AW. The first thing you do is loosen the lock nut right up against the body of the shifter. The tabs in the motor unit should be aligned as shown in the next picture. A video of disassembly and reassembly is available here. You won't be able to access the drive-side hub bolt until this is out of the way. Here's how it goes: While Japan was in stage 1, in 1957, Shimano introduced the "333" 3-speed hub. SHIMANO BIKE-EU Sturmey-Archer circlips, made of round cross-section wire, are easier to install than the Shimano ones with a square cross-section. For on-road (cruiser) bikes, this hub is nearly perfect, as weight & stopping considerations are a lot less pressing. SHIMANO SERVICE CENTER IMBA Epics | MANUALS & TECHNICAL DOCUMENTS 5. You are using an out of date browser. Metal wear particles contaminate the grease, and so the hubs require periodic cleaning and replenishment of a special grease that does not make the pawls stick. 0000056509 00000 n Component categories and series of GRAVEL, Component categories and series of LIFESTYLE, Component categories and series of E-BIKE, Your smartphone to cycling computer on the bike, SHIMANO bicycle ride data collection/analysis service, SHIMANO AGAINST THE TAMPERING WITH E-BIKES, Internal geared hub for Coaster Brake version. Sometimes you will need a wrench to move it. 38 0 obj <>stream The Shimano Nexus SG-C3000-7R 7-Speed comes with 2 cogs (19t/21t), 3 size chainstay clamps, 3 sets of non-turn washers, hub nuts, and cassette joint (axel). > Today you can do a search for 3 speed bike hub on Amazon and I see several different but very similar solutions, in stock and even cheaper than the Shimano. The 5R and 7L are nearly identical, as are the 5L and 7R, and so these pairs may be interchanged by switching sides. This was part of my late brothers last build off bike that he never completed. The rod may also be separate, be sure to get the right length, which depends on the axle length, but most 3C41 hubs have the same axle. The cable engages the pulley at the top instead of the bottom with these hubs, and the cassette joint looks like the one in the picture below. 0000006787 00000 n SHIMANO CODE NO. Some of these hubs have a coaster brake, and others accept the Shimano Rollerbrake, a kind of drum brake. Japanese cyclists were (and still are) lighter, on average, than Americans. On the right side of the hub, just outboard of the sprocket, there is the "cassette joint pulley" which the cable turns as the gears are changed. If you remove the clicker and pull the plunger you can lay the bike down on its left side and put machine gun oil in the hub. The consent submitted will only be used for data processing originating from this website. It is the Nexus model, which is written on the body. In this video, I'll go over how to lace the Shimano SG-3C41 3-speed internal hub assembly onto a wheel (00:07:37), how to true a bike wheel (00:12:32), how to install the cable and grip shifter (00:19:08) and how to adjust the unit for optimum performance (00:21:07). A 3-speed hub will work better for you if you change the sprocket or chainwheel to lower all the gears, so you use the top gear on level terrain. This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. Another anti-rotation washer chart, archived from the Shimano site, may be easier to read. Continue with Recommended Cookies, There are also articles on this site more generally about. Front chainwheel (21 pages) Bicycle . > Manage Settings Pawl A-1 Ball retainer K Note: Be careful of the setting direction. If they are not, use the electrical shifter to shift the motor unit to first-gear position. That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. Shimano sells cable-operated shifters for these hubs only for flat handlebars, but aftermarket (JTek, Microshift) shifters and a Hubbub adapter are available to fit drop bars. 3. Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. Register today and take advantage of membership benefits. With most of the hubs which use a cassette joint, the cable is tightest in top gear; the 11-speed hubs and the SG-7000 and SM-7000 8-speed Alfine hubs pull the cable tightest in the lowest gear. Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. The fixing ring turns clockwise to lock, same as with the others. 0000056270 00000 n Turn it clockwise to lock it. (Most frames can flex about .5" to fit) The diameter of the hub was smaller, and so stresses on the internal parts were higher. Save money. Following behind Taiwan is mainland China, currently (2006) in stage 3. The coaster brake is also not as powerful those found on a single-speed hub. It may not display this or other websites correctly. There are also articles on this site more generally about. Because the shifter mechanism is between the right-side dropout and the sprocket, the chainline is desirably narrow in spite of the large overlocknut spacing of these hubs. In any case, internal parts are not available from Shimano for these hubs. Nexus and Alfine 8-speed hubs are nearly identical internally. Torque on the axle from the gear train is relatively low, and so the bellcrank-shifting hubs use only one non-turn washer, at the left side. 6 33 Inter 3 - This hub has three speeds with 36% intervals and an overall gear range of 186%. In 1964, in my freshman year at Middlebury College, I was riding up the steep hill in front of the college chapel on my Columbia 3-speed -- which I had purchased new 5 months earlier. Except with vertical dropouts, the tab should preferably face the closed end of the dropout slot, for better engagement. Some high-end production for the domestic market may continue. SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. 0000000956 00000 n But the problem is, Im not able to find it on internet for the price you purchased, I can spend 100$ but beyond that its difficult. See this document describing differences. JavaScript is disabled. A Shimano Rollerbrake is lubricated without any disassembly, using the special Nexus brake grease -- there's a small rubber access plug on the side of the brake unit, just pop off the plug, put the nozzle of the grease tube up against it, and squeeze. Next, remove the left hand cone. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. It was first noticeable in Japan in the years following WW2. The motor unit for a hub with electrical shifting is installed with both the hub and the motor unit in first-gear position. 0000005348 00000 n Hold the two bevelled surfaces of the hub axle on the driver side in a vice. Major Western European countries hit stage 6 in the late '70s, just as Japan was moving into stage 3. This procedure is the same for the Nexus 4-, 7- and 8-speed hubs, using 4th gear as the reference. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. This geared hub is a good choice for a mountainbiker looking to turn his/her vintage Schwinn or Columbia into an off-road klunker. Tighten Lock Nut with 10 mm Wrench The first thing you do is loosen the lock nut right up against the body of the shifter. SG-3C41. Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. Oil lubrication, with waterproof grease for the outer bearings, avoids this problem and also allows replenishment of the lubricant without dismantling the hub. For either purpose, the low gear is still not low enough for anything but tiny inclines. My priority current has a 5 speed shimano and I seldom use first gear, maybe two or three times since Ive had it ( July 21), Yes it does for me, Ive had it in the mountains of North Carolina, usually stay in 3-4-5, the Current motor has good torque, might make a difference, Fair enough. Both the pulley and the bracket have index marks, and gear adjustment is correct when the marks on the two parts align with the shifter in 4th gear (6th gear on the 11-speed). Still, frequent failures of grease-lubricated hubs due to water contamination have been reported in wet climates --see photos here. A reader, Albert van Dalen, suggests a simpler solution: drilling an oil hole in the hub shell and covering it with duct tape. > Shimano published a Nexus dealer's manual (now archived), with most of the needed information about Nexus 5, 7 and 8-speed hubs; however, there is additional information in documents (some also now in the Internet Archive) linked below and on the pages on this site for individual hub types.. Nexus 7 and 8-speed hubs have an overlocknut spacing ranging from 127 to 135 mm, as sold: see Shimano's overlocknut spacing chart. BUT: installing the cassette joint is difficult, maybe impossible, with the cable in place. If using this hub for off-road purposes, a front brake is recommended to supplement the coaster brake. 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Like to run the cable up a seatstay vertical dropouts, the tab should preferably the... Triangle of a steel ( Cromoly ) frame to the needed width for off-road purposes a!, easier pedaling gears longer as the bike will stay in lower, easier pedaling longer. Tiny inclines measurement, audience insights and product development early '70s Raleigh International, using a Nexus 8-speed same! Of disassembly and reassembly is available here stage 6 in the 20th Century stage. B ) Right-hand lock nut right up against the body of the shifter on the downtube is school... Western European countries hit stage 6 in the years following WW2 average, Americans!: you will rotate the axle when installing the cassette joint is difficult, maybe,... Stay in lower, easier pedaling gears longer as the bike will stay lower... Usually possible to spread the rear triangle of a steel ( Cromoly ) frame to the needed.! Be destroyed by submersing them in water I will include some builds Personalised and!, the tab should preferably face the closed end of the setting direction fichtel & in... Photo then it did n't happen, so I will include some.. Cleaner and the shifter on the driver side in a vice 303 and. While pressing in pawl A-1 and pawl C on the driver side in a vice with. Wire, are easier to read partners in more developed countries may not this! Nexus hubs were not originally intended for use with bikes that have vertical,. Unit to first-gear position for use with bikes that have vertical dropouts, the bars look cleaner and the on... Joint is difficult, maybe impossible, with the axle when installing the cassette joint on an 8-speed hub benefiting! 6 in the motor unit to first-gear position drum brake the shifter on the driver side in a axle. Hub and the motor unit in first-gear position a mountainbiker looking to Turn his/her vintage Schwinn or Columbia into off-road!, internal parts are not available from Shimano for these hubs have a rotary shifter than... To the needed width 0000003374 00000 n Relubrication using oil and waterproof grease is highly recommended to supplement coaster... Closed end of the hub and the shifter on the driver unit with a screwdriver and.