0000008006 00000 n Use a flat tipped screwdriver such as the SD-3 to turn the dial. 0000002689 00000 n 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. A Rollerbrake is easier to control but also may overheat, imposes a light but constant drag. Coaster-brake models were the 3SC TC-100, 3SC TC 200 and the cartridge model 3CC. - Durability Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. 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. The consent submitted will only be used for data processing originating from this website. 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. Front chainwheel (21 pages) Bicycle . The sprocket is held in position by a spring circlip (snap ring). An example of data being processed may be a unique identifier stored in a cookie. Sturmey-Archer circlips, made of round cross-section cable, are easier to install than the Shimano ones with a square cross-section . There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit. The hub must be disassembled into its major components, solvent cleaned, dried and re-lubricated. Shimano has reconsidered, however, and now makes available an optional set of anti-rotation washers that work with vertical dropouts. For on-road (cruiser) bikes, this hub is nearly perfect, as weight & stopping considerations are a lot less pressing. Most other Nexus hubs are similar to the ones described. Pawl A-1 Ball retainer K Note: Be careful of the setting direction. Mountain Bike Deals, Copyright 2023 Blue Spruce Ventures LLC | We and our partners use cookies to Store and/or access information on a device. Next, remove the left hand cone. Im planning to purchase it and install it on my fixie, as I live on hilly area of Syracuse. You may check your work using an anti-rotation washer: if the tab of the washer fits, the axle will fit. Here's how it goes: While Japan was in stage 1, in 1957, Shimano introduced the "333" 3-speed hub. 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. Sprocket and sprocket circlip are installed before the cassette joint parts. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTERS | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | California Transparency in Supply Chain Act | ADA Compliance. Major bicycle producing countries still stuck in stage 1 include India and South Korea. 0000006049 00000 n <]/Prev 250097>> The 8-speed adds lower gears for hills, with it's 1:1 ratio at 4th gear. Hub is already built into the rear wheel. by John Allen, revised with addition of Nexus hub information by. See this document describing differences. It's fairly easy to hook up the shifter and cable, much easier than the older SA and Shimano hubs. Nexus and Alfine 8-speed hubs are nearly identical internally. Pros- Reliability Author: www.youtube.com. You need to select washers for your particular frame. 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . The rotary-shifting SG-3R75 uses the same CJ-NX40 cassette joint cable connection as Shimano's 7-speed hubs. Still, frequent failures of grease-lubricated hubs due to water contamination have been reported in wet climates --see photos here. 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. See anti-rotation washer chart. 0000056509 00000 n Clutch unit (Y-34R 98050) Return spring (Y-34R 21000) Ball retainer P (Y-34R 98070) GREASE (Y-041 20600) Most Nexus 3-speed hubs are shifted using a bellcrank and pushrod, as described in the article about the 3-speed hubs. The tabs in the motor unit should be aligned as shown in the next picture. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. 0000006205 00000 n The current (2017) generation of Shimano 3-speed internal-gear hubs is available with a coaster brake or with an optional external Rollerbrake or disc brake. The disc brake gets very hot but is made to withstand the heat. When the 16GB Nexus 7 gets to about 3GB of storage space left, it begins to slow down. Only shift when coasting or you will eat your IGH. Singletracks Merch | 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). Replacing that and going with loose gradual housing curves should do the trick. Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. The photos below show the steps in installation of the cassette joint on an 8-speed hub. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? Just lined up 2nd gear and away she went, shifting faster, crisper and better than the Nexus twist shifter. JavaScript is disabled. PRODUCT Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. Gates carbon-fiber belt drive also is available for some Nexus and Alfine hubs. 4XpTBCwW P@w^ su`-\cmA3x-N'sG=}YzZTS.zFK*:) u@fFyMVsZIV=|/z-79EYqT8.m?%Rb}uM94j=P/zm]s=4G0. 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. A coaster brake can easily skid the rear wheel, but is hard to control and overheats on long downhill runs. This was part of my late brothers last build off bike that he never completed. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 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. Best Bike Trails | . trailer Easy disc brake rotor installation with spline mount and lock ring; Stiff and lightweight 15 mm E-THRU skewer system; . My review: This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. Looking for specific info? You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. 0000056270 00000 n Shimano Nexus 3, 4, 5, 7 and 8-speed hubs are presently in production as of 2014. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. Thank for helping in finding the Shimano nexus 3 gear hub. File only the lower edge of the dropout slots, to avoid disturbing wheel alignment. inside the 333 hub, and I felt odd, uneven resistance when pedaling. The motor unit can install either of two ways. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Looks like this right now (no mounting hardware, cog or shift mechanism.). File only the lower edge of the dropout slots, to avoid disturbing wheel alignment. Shimano Nexus 3, 4, 5, 7 and 8-speed hubs are currently in production as of 2022. See the separate articles on this site about disc brakes, coaster brakes and Rollerbrakes. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. A video of disassembly and reassembly is available here, Aaron's Bicycle Repair, Seattle, Washington, USA -- specializes in internal hubs. 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.. Most sprockets made for this system are "dished" so you can adjust the chainline by flipping the sprocket over. Sometimes it happens that wheels are sold without a cog, dust cover, ring, or any mounting parts. The 11-speed is oil-lubricated. Some hubs use electrical ("Di2") shifting, with a motor unit between the right-side dropout and sprocket. Not sure if Nexus uses an odd 3/8-24tpi thread axle/nut (not 26?). This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. There are also articles on this site more generally about. Even if you could find a source of parts, you might not get the correct generation of parts for the particular hub you have. 6 0 obj <> endobj 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. MODEL NO: HB-TC500-15: SERIES: CUES U6000 Series 10-speed: Color|1 Hub shell: Black: The following are instructions for the 7-speed hub. The photo below shows cassette joint parts for a 5 or 8-speed hub, from left to right, the driver cap, cassette joint and cassette joint fixing ring. Read those articles along with this one. 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. Rear derailleur (1 page) Bicycle Accessories Shimano DURA-ACE FC-R9100 Dealer's Manual. The next country in this sequence was Taiwan, which hit stage 3 in the mid-late 1990s and is currently in stage 5. The failure mode of the 333 hub is also different from Sturmey-Archers'. The Nexus 3-speed bellcrank is aligned in second gear. 0000085256 00000 n 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Install it if necessary. A worn chain will run poorly on a new sprocket. [Following paragraphs are by John Allen.]. When you get the yellow right between the two lines, go ahead and put the lock nut right up against the body of the shifter, and tighten it with the 10 mm wrench, so that adjustment stays nice and firm. You are using an out of date browser. Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. Shimano also published an instruction sheet for the 11-speed hubwhich covers cable installation. SHIMANO NEXUS Internal Geared Hub Rolle Brake 3-speed VIEW PRODUCT. The Nexus 3-Speed Twist Shifter is another outstanding addition to the Shimano family of products. Any good bicycle mechanic will be able to do this, or you can do it yourself. See his Web page for advice. 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. 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 The 5-speed IHG starts 1:1 in first gear and ends up with a 5th gear that is taller. Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. . Better bike shops may have kept a copy. They also have 7-speed and 3-speed options. NEXUS 3-speed Hub w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. Information about specific models is in the articles about. Sturmey-Archer 3-Speed CS-RK3 At first glance this version of the Sturmey-Archer may not lend itself to belt drives. 0000004954 00000 n You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. The 333 hub was much more complicated internally than the Sturmey-Archer AW. https://www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck Made From Composite Decking, Giddy Up! 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. The smaller-diameter side faces inward. When a Sturmey-Archer hub gives problems, it can almost always be repaired, usually without needing any parts replacement. Dealer's manuals, user manuals and parts lists for all currently supported Shimano 3-speed hub models is accessible with this search. Remove the hub shell. the section on sprockets in the main article on internal-gear hubs. The AW hub never gave me any trouble,. Reputation for making cheap, inferior copies. Japanese cyclists were (and still are) lighter, on average, than Americans. 0000096302 00000 n 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. 5. Install the cassette joint, then install the cable -- see instructions below. --> SHIMANO CODE NO. That makes it easy to clean the inside of the adjustment mark view window. Usually 3-speeds have 1:1 in second gear. Installation instructions for this hub. An example of data being processed may be a unique identifier stored in a cookie. The advice in the original answer is spot-on, but given that you're talking about the Nexus 3, there's one more step, assuming the bike has horizontal rear dropouts (and it's a kids' bike, so it will). File only the bottom of the slots, so you can be sure that the axle sits straight. You'll need to get the stuff shown above to set it up. Singapore is also in the game, for parts but not for complete bikes. In any case, internal parts are not available from Shimano for these hubs. 0000003845 00000 n See our Rollerbrake page for information on installing and removing the Rollerbrake. Sometimes I find a deal, that makes finding the other parts separately worth my while. 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. You must log in or register to reply here. SHIMANO NEXUS Internal Geared Hub Disc Brake 3-speed VIEW PRODUCT. 2. Plus, the bars look cleaner and the shifter on the downtube is old school. Product information Technical Details Additional Information Feedback Would you like to tell us about a lower price? 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. COMPONENT 0000032359 00000 n 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. Some high-end production for the domestic market may continue. - First gear isn't low enough, especially without a granny-gear chainring. This is normally a right-side washer (so, the "R") but is shown on the left side in the documentation of this hub. 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. k(3001(&U6CVF!i50'n`#u)/oatu\F@ )X&@ V SHIMANO BIKE-EU Manage Settings Alfine is a high-end product line with 8 and 11-speed hubs. 9 mm) 4 Y33R90700 Carrier Unit 5 Y33R90800 Ring Gear Unit Also see our article about derailerless drivetrains. Priority Current Shimano 5 speed - First impressions. Register today and take advantage of membership benefits. A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. Mechanical problems can result from "preventive maintenance" including re-lubrication with incorrect grease. Today, were going to work on internal multi speed hubs. > Another way to tell that this is Shimano is that the cable chord goes straight into the adjustment knob, which goes straight into the body of the shifter. Now youre done. 0000008907 00000 n Guarantee Pay secure BEST PRICE GUARANTEE The best-selling product NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Turn it clockwise to lock it. Dots at the right end of the hub should be aligned as shown. It weighs 1220 grams stripped in its basic version (without built-in brake). 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. The metallurgy of Japanese steel at that time was not up to the standards of British steelmaking, so the parts were weaker. Alfine is a high-end product line with 8 and 11-speed hub. 0000006787 00000 n The 5-speed is covered in the Nexus dealer's manual, linked below. 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. When a Sturmey-Archer AW hub gives trouble (which it rarely does) it is usually due to lack of lubrication, and one or two of the gears stop functioning reliably. (The brake unit would get in the way of fitting the spokes through the hub flange, so it has to be installed after the wheel has been built.). My bike is far to the left on the power and torque scale. For either purpose, the low gear is still not low enough for anything but tiny inclines. Stage 1: Underdeveloped country of [insert name here] uses cheap labor to make cheap, low-end products. MANUALS & TECHNICAL DOCUMENTS 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. SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed VIEW PRODUCT. In this video, Ill 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). You need Shimano's special oil and various wrenches, including a cone wrench, and a tool to remove/install the brake rotor if the bike uses disk brakes (e.g. Please suggest me if there is another hub I can find or where I can find the Shimano nexus hub. To replenish oil between rebuilds, you must either unscrew the left bearing cone (which requires removing the wheel from the bicycle) or else add an oiling port, such as a Sturmey-Archer oil cap. Loosen that and it allows the adjustment knob to be free. It is the Nexus model, which is written on the body. The circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. Shimano Nexus Inter 3 hub laced with spokes and mounted on a bicycle. 4. Hub Width: 4 3/4" or 120mm. 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. (and I'm not talking about Iron Maiden either) SG-3C41. Add to another list Rider questions Rating Review Reviews Wheel Set - Comes with both front and rear wheel. Removing and replacing the internals of the Nexus and Alfine hubs is not as difficult as you might think, because of their modular construction. The consent submitted will only be used for data processing originating from this website.