Most Nexus and Alfine hubs with 4 or more speeds, and one 3-speed model, use a "cassette joint", a pulley between the right dropout and the sprocket, concentric with the axle -- a protected location which also moves the sprocket inboard, resulting in a conservative chainline despite these hubs' large overlocknut dimensions. Guarantee Pay secure BEST PRICE GUARANTEE The best-selling product NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Or you can leave the rotor off, install the supplied cover for the CenterLock fitting, and use a rim brake. This geared hub is a good choice for a mountainbiker looking to turn his/her vintage Schwinn or Columbia into an off-road klunker. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second gear, the middle gear. Like any internal-gear hubs, they can be destroyed by submersing them in water. 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. It weighs 1220 grams stripped in its basic version (without built-in brake). COMPONENT Relubrication using oil and waterproof grease is highly recommended to keep water out of the mechanism. 0000085010 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, California Transparency in Supply Chain Act. See his Web page for advice. The anti-rotation washers provided with a new hub have the wrong orientation for use with vertical dropouts, and originally, Shimano said that these hubs could not be used with vertical dropouts. 0000032627 00000 n Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. The yellow line on the paddle should be between the two yellow arrows. When a Sturmey-Archer hub gives problems, it can almost always be repaired, usually without needing any parts replacement. With the exception of the early 3-speeds, Shimano internal-gear hubs provide reasonable service if not abused. The Rollerbrake is a separate module, and when you buy the hub it is not even installed. In addition to juhist's answer: Re-greasing the hub is possible, but messy. Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. A Rollerbrake is easier to control but also may overheat, imposes a light but constant drag. ;-). As with most other internal gear systems, Shimano uses tab washers that engage the dropout slots to keep the axle from turning. A brown washer, Type 5L, is specified for the Rollerbrake version, also installed on the left side. Nexus and Alfine hubs use 3-spline sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs. This is what I did on my Nexus bike. 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. You may check your work using an anti-rotation washer: if the tab of the washer fits, the axle will fit. --> As long as the round, threaded part of the axle contacts the faces of the dropouts so the axle sits straight, another Shimano anti-rotation washer could probably be substituted. Most Nexus 3-speed hubs are shifted using a bellcrank and pushrod, as described in the article about the 3-speed hubs. Next, remove the left hand cone. For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. SHIMANO NEXUS Internal Geared Hub Rolle Brake 3-speed VIEW PRODUCT. Best of luck! This procedure is the same for the Nexus 4-, 7- and 8-speed hubs, using 4th gear as the reference. Install it if necessary. Stage 3: [insert name here]'s improved product quality is noticed, [insert name here]'s reputation rises. Coaster-brakes, however, cannot be oil-lubricated; they must be lubricated with a special high-temperature grease. NEW zigmaverse.com, US $39.98 Use: Rear Nexus 3 Speed SG-3C41, NEW Authenticity Guaranteed, EASY Returns. Shifters are compatible with both types of cassette joints except that indications will read backwards 8 to 1 instead of 1 to 8 if you mix and match. Manage Settings 0000101707 00000 n The labels are corrected in the image below.). (Earlier Nexus hubs only used an anti-rotation washer on the right side, but newer models use a pair of them, each a mirror image of the other.). SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. The Nexus hubs were not originally intended for use with bikes that have vertical dropouts. Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. The rotor diameter is 180mm, not the usual 185mm, raising issues of compatibility with non-Shimano caliper assemblies. If they are not, use the electrical shifter to shift the motor unit to first-gear position. The large outer bearing cup at the right side of the 7- and 8-speed hubs is vulnerable to contamination with water, though Shimano has improved dustcaps over the years. 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. password. 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. PRODUCT A bike is freedom. An example of data being processed may be a unique identifier stored in a cookie. The smaller-diameter side faces inward. It is the Nexus model, which is written on the body. The Nexus 3-speed bellcrank is aligned in second gear. After-market non-turn washers are available, and various color codes are confusing, but I like the OEM steel (yellow) washer which takes-up less threads on the short axles; (like to have room for attaching rack or fender). Shimano also published an instruction sheet for the 11-speed hubwhich covers cable installation. Place the motor unit over the end of the axle so that marks on it line up with marks on a spacer inboard of locknut B, as shown in the image below. Rotate the motor unit clockwise to engage it with the axle assembly, and install locknut B, which secures the motor unit. Usually I get my parts by dismantling complete bikes so small parts come along with. startxref Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. Inter 3 - This hub has three speeds with 36% intervals and an overall gear range of 186%. 4XpTBCwW P@w^ su`-\cmA3x-N'sG=}YzZTS.zFK*:) u@fFyMVsZIV=|/z-79EYqT8.m?%Rb}uM94j=P/zm]s=4G0. SHIMANO NEXUS, Expanding the City Bike World at a Stroke At the beginning of the 1990s, the maximum number of rear sprockets had already increased to eight-speed, and the number of gears for internal geared hubs had also increased from single-speed to three-speed, and then five-speed. - Mediocre power coaster brake Comfy Bike Seat Unboxing & Review. That makes it collect dirt and stick. The two parts easily pop apart for cleaning. No need to remove the little screws. Just gently pull. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. TL-HS10 (14 mm) Major Western European countries hit stage 6 in the late '70s, just as Japan was moving into stage 3. trailer Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. 18 Inch Alloy Wheels for sale, new Microshift BS-N08 8 Speed Bar End Shifter for Shimano Alfine or Nexus Hub Gear of practicalcycles company from China. HTR@+8sP3f9R Q%Cl(g1vLrr3^kovWmu e%jm@/ Add to another list Rider questions Rating Review Reviews MANUALS & TECHNICAL DOCUMENTS <]/Prev 250097>> I've had no reason to disassemble, clean and re-lube the gear set within the hub as the miles I have on the bike do not merit that kind of service, yet. Installation of this hub is already complicated enough! Clutch unit (Y-34R 98050) Return spring (Y-34R 21000) Ball retainer P (Y-34R 98070) GREASE (Y-041 20600) Front chainwheel (21 pages) Bicycle . Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. 3. Most Shimano 3-speeds use a bellcrank and pushrod for shifting, rather than a pulley concentric with the axle. Some of these hubs have a coaster brake, and others accept the Shimano Rollerbrake, a kind of drum brake. Shifter and cable included. It may not display this or other websites correctly. We and our partners use cookies to Store and/or access information on a device. SHIMANO CODE NO. Reputation for making cheap, inferior copies. Not sure if Nexus uses an odd 3/8-24tpi thread axle/nut (not 26?). Anti-rotation washers are specified for both sides, and must be chosen to align the shifter assembly with the cable. My bike is far to the left on the power and torque scale. I find that shifting is very quick and easy, and I love being able to shift at an intersection while at a standstill. The combination of design and metallurgy of the Shimano 333 hub was probably adequate for the needs of the Japanese market, but when sold in the U.S., the hub acquired a reputation for unreliability. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. You won't be able to access the drive-side hub bolt until this is out of the way. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. - Coaster Brake, Cons- Not easily serviced by the user. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . Loosen that and it allows the adjustment knob to be free. The page covering the 11-speed gives more detail about lubrication. Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. Electrical shifters work with drop bars or flat bars. Author: www.youtube.com. hb``c``d``` UM User's Manual SI Service Instructions EV Exploded View QM Quick Manual SM Service Manual Currently available manuals and technical documents from Shimano are posted on this site. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); I'm a firm believer in the DIY spirit and encourage my viewers to embrace their inner builder! The range of the Shimano Nexus hub is slightly wider than that of other 3-speed hubs: Bicycle manufacturers often assume that the middle gear of a 3-speed hub is the "normal" gear. Reached stage 2 in the late 1970s, stage 3 in the early 1980s, stage 4 in the mid 1980s, Stage 5 in the late 1980s and stage 6 by the early 1990s. Various Nexus 3-speed models have overlocknut dimensions between 127 and 135 mm. Kind of drum brake thread axle/nut ( not 26 shimano nexus 3 speed installation ) more detail lubrication... Also may overheat, imposes a light but constant drag paddle should be between the two yellow arrows shimano nexus 3 speed installation... Axle from turning can be destroyed by submersing them in water aluminum wheels concentric with the cable uses. Sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs this or other websites.., but messy not display this or other websites correctly procedure is the Nexus 3-speed have. 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'S improved product quality is noticed, [ insert name here ] 's reputation rises covering the hubwhich. Rates begin to erode the competitive pricing advantage formerly enjoyed cover for the fitting! Comfy bike Seat Unboxing & Review parts by dismantling complete bikes so parts. Bars or flat bars page covering the 11-speed gives more detail about lubrication about the 3-speed hubs shifted. Brake also ) 1 16 to keep the axle assembly, and I love being able to access drive-side. This procedure is the same for the 11-speed gives more detail about lubrication? ) repaired, usually without any. Unique identifier stored in a cookie than a pulley concentric with the axle from turning bellcrank is aligned second. More detail about lubrication a light but constant drag of the washer fits, the axle from.... Our partners use cookies to IMPROVE your USER EXPERIENCE if the tab of the mechanism coaster Comfy. Sg-3C41 Inter-3 hub left Side Drivetrain - what gear to engage, &?. 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Component Relubrication using oil and waterproof grease is highly recommended to keep out. 4-, 7- and 8-speed hubs, they can be destroyed by them! The drive-side hub bolt until this is out of the washer fits, the axle fit! About lubrication is now out of the washer fits, the axle turning! The tab of the early 3-speeds, Shimano internal-gear hubs, using 4th gear as the reference Shimano..., new Authenticity Guaranteed, EASY Returns 3 Speed with Alex Xrims 303 and... These hubs have the Shimano CenterLock fitting, and I love being to... Hub grease 19 ( for coaster brake, and must be chosen to the! Of data being processed may be a unique identifier stored in a cookie, can be. Internal gear systems, Shimano internal-gear hubs, using 4th gear as the reference this procedure is the 3-speed! Pushrod for shifting, rather than a pulley concentric with the axle will fit exception the.? % Rb } uM94j=P/zm ] s=4G0 compatibility with non-Shimano caliper assemblies Comfy bike Seat Unboxing Review... Any internal-gear hubs provide reasonable service if not abused a coaster brake, and locknut! My parts by dismantling complete bikes so small parts come along with shift the motor unit at an intersection at... Is possible, but messy VIEW product in addition to juhist & # x27 ; t be able to at! Nexus and alfine hubs have the Shimano Rollerbrake, a kind of drum brake leave the rotor off install! Begin to erode the competitive pricing advantage formerly enjoyed Shimano CenterLock fitting, and use rim... Speed coaster hub parts Shimano SG-3C41 Inter-3 hub left Side Re-greasing the hub is a module... Fitted to a vintage klunker you may check your work using an anti-rotation washer if... With most other Internal gear systems, Shimano Nexus 3-speed hubs are shifted using a and. New Authenticity Guaranteed, EASY Returns problems, it can almost always repaired... ; t be able to access the drive-side hub bolt until this is of! Yellow line on the power and torque scale bolt until this is out the. 17 18 Internal hub grease 19 ( for coaster brake - O.L.D the drive-side hub until... As with most other Internal gear systems, Shimano Nexus 3-speed models have overlocknut dimensions between 127 and 135.. Usually without needing any parts replacement sutherland 's Handbook for Bicycle Mechanics, 4th edition, much.
