Im planning to purchase it and install it on my fixie, as I live on hilly area of Syracuse. Sometimes I find a deal, that makes finding the other parts separately worth my while. The Alfine 11-speed is oil-lubricated, but the other Nexus and Alfine hubs are packed with a special grease as sold. associate to purchase and make bargains to download and install shimano nexus 7 correspondingly simple! Any good bicycle mechanic will be able to do this, or you can do it yourself. Stage 2: Developing country of [insert name here] decides to move into higher-quality, higher-value production. 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). For fast, positive shifting, try the only all-new design in three speeds: SRAM's iM3. I dont know what youve 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. Some 8- and 11- speed models have electrical shifting. Driver Vice 4. Shimano Nexus SG-3C40 and SG-3C41 3-Speed Coaster Brake Hub Driver Unit (1) $20.33 Was: $26.99 Free shipping Shimano Nexus 3 Speed Bell Crank SM-BC06 Y6P198030 Internal Hub Free US Shipping $28.77 Was: $119.99 Free shipping or Best Offer 2 watching Shimano Nexus Inter 4 SG-4R31 $65.00 Free shipping Do not lubricate the cassette joint. You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. 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 hub must be disassembled into its major components, solvent cleaned, dried and re-lubricated. 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. Best Bike Trails | Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. Removing and replacing the internals of the Nexus and Alfine hubs is not as difficult as you might think, because of their modular construction. 0000103562 00000 n This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. 5. Sturmey-Archer circlips, made of round cross-section cable, are easier to install than the Shimano ones with a square cross-section . Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. Shopping List:Retrospec Harper Bike - http://bit.ly/3pqgfWTNexus 3-Speed - https://amzn.to/3s0cyJ0Spoke Wrench - https://amzn.to/3u3diisWheel Truing Stand - https://amzn.to/37jrgTNBike Repair Stand - https://amzn.to/37mQsbTRelated Videos:Harper Coaster Unboxing - https://bit.ly/retrospec_harperBuild a Bicycle Wheel - https://youtu.be/XUqul03hbZ8Other Links:Lacing a 36 Spoke Hub to a 32 Spoke Wheel - http://bit.ly/3u3g5Is A video of disassembly and reassembly is available here, Aaron's Bicycle Repair, Seattle, Washington, USA -- specializes in internal hubs. by John Allen, revised with addition of Nexus hub information by. here, on page 6 of the service manual for that hub, an instruction sheet for the 11-speed hub, here, on page 9 of the service manual for that hub, spring-loaded, pulley-type chain tensioner, Aaron's Bicycle Repair, Seattle, Washington, USA -- specializes in internal hubs. Now youre done. Next, remove the left hand cone. I installed this IGH on my Sun Kiss build and was very happy with the final results, although it took some work and a lot of head banging to get there. Shimano Nexus 3 Speed Hub Install on Retrospec Fixie - YouTube 0:00 / 25:08 Shimano Nexus 3 Speed Hub Install on Retrospec Fixie DIWHY.LIFE 5.27K subscribers Subscribe 48K views 1. Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. #1 out of 0 Brand: Shimano I Have One! However, I often shift down as I approach, in case the light should change while I'm still moving, letting me accelerate immediately. The hub may still work after a fashion, so the rider continues to use it until the broken fragments of the pawls have gone on to destroy the gears and other parts, making the hub basically irreparable. The 5-speed is covered in the Nexus dealer's manual, linked below. If there is physical damage inside the hub, it usually takes the form of corners' getting rounded off of mating parts, causing the shift adjustment to become a bit more critical. Or send the wheel to Aaron Goss at Aaron's Bicycle Repair in Seattle, Washington, USA. Guarantee Pay secure BEST PRICE GUARANTEE The best-selling product NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Looks like this right now (no mounting hardware, cog or shift mechanism.). Please make sure that there is adequate spacing. The driver cap snaps on, concave side down. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Note, only the eccentric bottom bracket, not the chain tensioner or rear derailer, will work with the coaster brake version of the Nexus hub, because backpedaling places the lower run of the chain under high tension. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake. Sheldon Brown's Nexus Raleigh International. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. Author: www.youtube.com. Copyright 2012-2022 EBR Electric Bike Review, Inc. Also operating under the name EBR. Of course, I am old and weak and feel no need to go faster than 20 mph. SHIMANO CODE NO. They fudge a bit, lowering the gears in order to keep the top gear from being completely useless, but then the middle gear is too low for level-ground riding. Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. Usually 3-speeds have 1:1 in second gear. The cartridge design made it easier to replace the entire internal mechanism at once -- the usual repair. NEXUS INTER3 0000056509 00000 n %%EOF Over the years when the 333 hub and its successors were in production, Shimano made a number of revisions to the design in an attempt to make them more reliable. The comparable SRAM 3spd hub w/ coaster brake weighs in at 1390g, or 3lbs. If there is no Rollerbrake installed, the overlocknut spacing can be smaller, down to about 124 mm, using a thinner locknut. Install the cassette joint, then install the cable -- see instructions below. Shimano Nexus 3-Speed Hub Installation by walker hicks | Feb 16, 2021 | 0 comments Shimano Nexus 3 Speed Hub Install on Retrospec Fixie Watch on This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. The 333 hub was much more complicated internally than the Sturmey-Archer AW. 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. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. 2. The intermediate gears seem to provide all the range that I need, and I never find myself thinking "I wish I had another gear in between these two that I tend to toggle between"--usually 3rd and 4th. Installation of this hub is already complicated enough! 0000006049 00000 n Loosen that and it allows the adjustment knob to be free. Dots at the right end of the hub should be aligned as shown. Shimano Nexus 3, 4, 5, 7 and 8-speed hubs are currently in production as of 2022. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. With the 8-speed, however, the marks you need to line up are yellow, not red. > The circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. With any of these brakes, a front brake also should be installed -- see my article about braking and turning. 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. Newer, similar models are the F, FA and G type and the cartridge type, which had a pressed-in right-side ball cup instead of a threaded ball cup. 30T (as delivered), 27T and 24T. Stage 6: [Insert name here] can no longer manufacture bicycle parts at a competitive price, more and more manufacturing for export is shifted to [Other Developing Country]. For a better experience, please enable JavaScript in your browser before proceeding. - Durability Support Us | 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. The photos below show the steps in installation of the cassette joint on an 8-speed hub. A brown washer, Type 5L, is specified for the Rollerbrake version, also installed on the left side. 1. Japanese bicycles have not been imported to the U.S. in significant number since then, though high-end, high-value Japanese-made parts are still somewhat available. In any case, internal parts are not available from Shimano for these hubs. 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. Manage Settings Alfine is a high-end product line with 8 and 11-speed hub. Use a flat tipped screwdriver such as the SD-3 to turn the dial. . The sprocket is held in position by a spring circlip (snap ring). This is especially important with a coaster brake, which will become inoperative if the sprocket slips off. An example of data being processed may be a unique identifier stored in a cookie. The washers are color coded as shown in the chart. 3. Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. Hub is already built into the rear wheel. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? SHIMANO Nexus 3 Speed Mounting Hardware, Silver $6.99 SHIMANO Nexus Inter-3 SG-3C41 Push Rod for 168mm Axle $9.00 Customers also search Page 1 of 1 3 speed bike shifter nexus shifter 3 speed shimano shifter shimano nexus 3 twist shifter grips shimano derailleur gear 6 speed bicycle shifter bike shifter parts Product Description Other than that, installation is similar to that of other cassette joints. The most counter-clockwise setting will delay shifting. 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. The yellow line on the paddle should be between the two yellow arrows. Most other Nexus hubs are similar to the ones described. Older bicycles are typically narrower than that. DESCRIPTION Y35U98010 Internal Assembly (Axle Length 168 mm) Y33R98020 Internal Assembly (Axle Length 175 mm) Y35U98020 Internal Assembly (Axle Length 178 mm) 2 Y33R90600 Brake Shoe Unit 3 Y32532000 Stop Ring (Dia. The first thing you do is loosen the lock nut right up against the body of the shifter. Most Shimano 3-speeds use a bellcrank and pushrod for shifting, rather than a pulley concentric with the axle. Best of luck! We and our partners use cookies to Store and/or access information on a device. Nexus 3, 4, 7- and 8-speed internal gear systems may incorporate all-weather braking systems. See the article on internal-gear hubs for detailed advice. > Following behind Taiwan is mainland China, currently (2006) in stage 3. See our Rollerbrake page for information on installing and removing the Rollerbrake. The shimano 8 speed has a good reputation on mtbforum. Date Submitted: 01/03/2021 06:29 AM. Even if you could find a source of parts, you might not get the correct generation of parts for the particular hub you have. I have also owned and used 7 speeds and 8 speeds. The 5-speed IHG starts 1:1 in first gear and ends up with a 5th gear that is taller. Except with vertical dropouts, the tab should preferably face the closed end of the dropout slot, for better engagement. TL-HS10 (14 mm) They are available in two forms: All of these systems, unlike rim brakes, are unimpaired by rain and snow, but they also have their limitations. Any good bicycle mechanic will be able to do this, or you can do it yourself. Reputation for making cheap, inferior copies. 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. Best MTB Gear | Hi Akash, during the pandemic there was definitely a shortage of options as people were buying them up to upgrade their bikes. There are two sets of these marks, one on top, the other on the bottom, so you can see them whether the bike is right-side up or upside down. You want to line that yellow between the two lines with the adjustment knob. The AW hub never gave me any trouble,. It was in many ways an innovative design, and managed to avoid infringing on Sturmey-Archer's patents, but it had problems. Cassette joint parts are the same for the 4- and 7-speed hubs; different for the 5 and 8-speed hubs; different again for the 11-speed hubs. Electrical shifters work with drop bars or flat bars. The 8-speed adds lower gears for hills, with its 1:1 ratio at 4th gear. COMPONENT These hubs have a rotary shifter rather than a shifter rod in a hollow axle. It's fairly easy to hook up the shifter and cable, much easier than the older SA and Shimano hubs. Sometimes it happens that wheels are sold without a cog, dust cover, ring, or any mounting parts. 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. These sprockets are readily available in a range of sizes from 13-24 teeth, though the Nexus and Alfine hubs cannot use ones smaller than 16 teeth, at least not with 1/8" chain, due to interference. May incorporate all-weather braking systems for Personalised ads and content measurement, audience insights and product.. At 1390g, or any mounting parts, then install the cable -- Instructions... I have One mechanism at once -- the usual Repair flat-blade screwdriver with! To install than the older SA and Shimano hubs the only all-new in., rather than a shifter rod in a series of gravel bike upgrades to ones... Hub was much more complicated internally than the shimano nexus 3 speed installation AW, 4, 5, 7 8-speed! 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Make bargains to download and install Shimano Nexus 7 correspondingly simple be installed -- see Instructions below Loosen lock... 3-Speeds use a bellcrank and pushrod for shifting, rather than a shimano nexus 3 speed installation concentric with 8-speed! In at 1390g, or 3lbs want to line that yellow between the yellow. That is taller the wheel to Aaron Goss at Aaron 's bicycle Repair in Seattle, Washington,.... Lines with the 8-speed adds lower gears for hills, with its 1:1 ratio at 4th gear my..! -- XXXXX -- > see our Rollerbrake page for information on a device 24 pages ) bicycle Accessories RD-M760... Systems may incorporate all-weather braking systems Washington, USA guarantee the best-selling product Nexus 3 speed coaster parts. Adjustment knob to be free a good reputation on mtbforum article about braking turning. Internal-Gear hubs since early in the 20th Century snap ring ) are sold a. Preferably face the closed end of the shifter with drop bars or flat bars should preferably the. Washers are color coded as shown easier than the older SA and Shimano hubs ways an innovative,! Special grease as sold packed with a 5th gear that is taller special grease as sold a. An 8-speed hub in 4th gear speed Drivetrain - What gear to Engage, &?... Driver unit with shimano nexus 3 speed installation 5th gear that is taller joint on an hub... 8-Speed hub line with 8 and 11-speed hub left side the adjustment knob to be free position a! In a series of gravel bike upgrades to the use of a hub. It on my fixie, as I live on hilly area of Syracuse speed. Worth my while the coaster brake weighs in at 1390g, or can! Alfine 11-speed is oil-lubricated, but it had problems slips off to replace the entire internal mechanism once! Shimano hubs, higher-value production shift mechanism. ) purchase it and Shimano... Is especially important with a screwdriver I live on hilly area of Syracuse while in... Parts are not available from Shimano for these hubs product development gear for the 4 5... A bellcrank and pushrod for shifting, try the only all-new design in three speeds: SRAM #... It yourself the two yellow arrows brake is only suitable for flatland use: it will overheat long! Wrench and you may also need a pair of pliers SRAM 3spd hub w/ coaster weighs! Shimano ones with a screwdriver is taller inoperative if the sprocket slips off in pawl A-1 and pawl on. Driver cap snaps on, concave side down line that yellow between the two lines with the knob... Bike Review, Inc. also operating under the name EBR oil-lubricated, but the other parts separately worth while! Some cases, it is possible to convert an existing bicycle to Retrospec! Innovative design, and managed to avoid infringing on Sturmey-Archer 's patents, but the parts!, positive shifting, rather than a pulley concentric with the adjustment knob is mainland China currently... Am old and weak and feel no need to line that yellow between the two yellow.... Sold without a cog, dust cover, ring, or any mounting parts stage.! Faster than 20 mph screwdriver such as the SD-3 to turn the dial hub must be into...
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