Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. 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. Know that if you choose the Shimano Nexus 5sp IGH designed for Ebikes, you can get three different cogs. NEXUS 3-speed Hub w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. This 7-speed internal gear hub from Shimano is an excellent . MANUALS & TECHNICAL DOCUMENTS by John Allen, revised with addition of Nexus hub information by. Note, this should not be taken as any kind of general objection to Shimano parts. Today, were going to work on internal multi speed hubs. Continue with Recommended Cookies, There are also articles on this site more generally about. It could be that you have a kink or rough spot in your shift cable housing. The best information available on these hubs -- including comparative parts lists -- is in Sutherland's Handbook of Coaster Brakes and Internally-Geared Hubs, which is now online on this site. That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. 0000085010 00000 n 0000056270 00000 n 0000006205 00000 n Here's how it goes: While Japan was in stage 1, in 1957, Shimano introduced the "333" 3-speed hub. See anti-rotation washer chart. The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. Mechanical problems can result from "preventive maintenance" including re-lubrication with incorrect grease. SG-3R75-A. TL-HS10 (14 mm) Any good bicycle mechanic will be able to do this, or you can do it yourself. 0000000956 00000 n The 8-speed adds lower gears for hills, with its 1:1 ratio at 4th gear. ;-). Best MTB Gear | Set the drive unit while align the shallow side of groove of driver unit and wider portion of swelling on the clutch unit. The next country in this sequence was Taiwan, which hit stage 3 in the mid-late 1990s and is currently in stage 5. Do not lubricate the cassette joint (cable attachment assembly) -- see advice below. The shifter, cable, and "cow bell" parts can also come in a kit, and sometimes I have opted for the integral shifter. If using this hub for off-road purposes, a front brake is recommended to supplement the coaster brake. Instructions for most 8-speed hubs are very similar and begin. 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. Plus, the bars look cleaner and the shifter on the downtube is old school. Install the ball retainer P (3/16"X13). The Nexus hubs were not originally intended for use with bikes that have vertical dropouts. Most sprockets made for this system are "dished" so you can adjust the chainline by flipping the sprocket over. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. 0000003845 00000 n It should also not be taken as a general indictment of Shimano's internal-gear hubs. Various Nexus 3-speed models have overlocknut dimensions between 127 and 135 mm. Author: www.youtube.com. The 11-speed is oil-lubricated. There are also articles on this site more generally about. Coaster-brakes, however, cannot be oil-lubricated; they must be lubricated with a special high-temperature grease. The yellow line on the paddle should be between the two yellow arrows. Be careful not to install it upside-down. You will need to remove the "bell crank" (the little control box attached to the side of the hub). Usually 3-speeds have 1:1 in second gear. The rotor diameter is 180mm, not the usual 185mm, raising issues of compatibility with non-Shimano caliper assemblies. 5. 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. This geared hub is a good choice for a mountainbiker looking to turn his/her vintage Schwinn or Columbia into an off-road klunker. Attachments With the exception of the early 3-speeds, Shimano internal-gear hubs provide reasonable service if not abused. Now youre done. The labels are corrected in the image below.). That is the lowest gear for some hubs, the highest for others. 0000101942 00000 n 0000006787 00000 n - First gear isn't low enough, especially without a granny-gear chainring. Instructions for the 8-speed hub are very similar and begin. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. He has tools to extract the bearing race, resurface it and replace it. I have never worked with a Nexus 3. The 5-speed is covered in the Nexus dealer's manual, linked below. 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. (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.). 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. 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. 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. Please suggest me if there is another hub I can find or where I can find the Shimano nexus hub. 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. Information about specific models is in the articles about. . We use cookies to ensure that we give you the best experience on our website. Another anti-rotation washer chart, archived from the Shimano site, may be easier to read. 6 33 HOME 0000004393 00000 n An example of data being processed may be a unique identifier stored in a cookie. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. 0000001260 00000 n Cable-operated and hydraulic disc brakes are available. 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. Dealer's manuals, user manuals and parts lists for all currently supported Shimano 3-speed hub models is accessible with this search. Next to this is the "cassette joint bracket" which is stationary. I only used first gear when I first got the bike (approaching this new experience with caution), and rarely use 7th gear. I like the 23-tooth from Shimano (Japan), and the 24-tooth from Sturmey Archer (England); a member makes a shimano-compatible 11-tooth, for 3/16 skip-tooth chains. 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . 0000002084 00000 n De Kampioen 2006-05 De Kampioen is the magazine of The Royal Dutch Touring Club ANWB in The Netherlands. See the separate articles on this site about disc brakes, coaster brakes and Rollerbrakes. Use this position if the rider prefers to spin at higher cadences.