Not sure if Nexus uses an odd 3/8-24tpi thread axle/nut (not 26?). 6 0 obj <> endobj password. 0000002689 00000 n Note: Do not damage the threads of the hub axle. [Insert name here] establishes partnerships in [Other Developing Country], builds factories, teaches them how to improve their quality. hb``c``d``` 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. 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. (and I'm not talking about Iron Maiden either) You will need to remove the "bell crank" (the little control box attached to the side of the hub). 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 tabs in the motor unit should be aligned as shown in the next picture. NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. JavaScript is disabled. Best of luck! Coaster-brakes, however, cannot be oil-lubricated; they must be lubricated with a special high-temperature grease. Other versions include coaster, roller or disk brake. Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. the section on sprockets in the main article on internal-gear hubs. Japan was the prototype for this sequence. The hub must be disassembled into its major components, solvent cleaned, dried and re-lubricated. SG-3R75-A. A video of disassembly and reassembly is available here. For a better experience, please enable JavaScript in your browser before proceeding. Read those articles along with this one. The circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. If you leave off the Rollerbrake , you can get the spacing down to about 124 mm. Japanese cyclists were (and still are) lighter, on average, than Americans. > Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. Bicycle Accessories Shimano NEXUS SG-7C26 Service Manual. (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.). This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. MODEL NO: HB-TC500-15: SERIES: CUES U6000 Series 10-speed: Color|1 Hub shell: Black: See his Web page for advice. I have also owned and used 7 speeds and 8 speeds. You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. 0000001183 00000 n There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit. 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. 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. Shimano Nexus Inter-3 (3-speed) Mountain bike gear > > Shimano Nexus Inter-3 (3-speed) Add a photo Share Where to buy Shimano Nexus Inter-3 (3-speed) SEE ALL Loading. A bike is freedom. The fixing ring turns clockwise to lock, same as with the others. Some of these hubs have a coaster brake, and others accept the Shimano Rollerbrake, a kind of drum 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. - Mediocre power coaster brake You want to line that yellow between the two lines with the adjustment knob. That makes it easy to clean the inside of the adjustment mark view window. Shifter and cable included. 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. The Nexus hubs were not originally intended for use with bikes that have vertical dropouts. Singletracks Merch | This is normally a right-side washer (so, the "R") but is shown on the left side in the documentation of this hub. Looking for specific info? Other than that, installation is similar to that of other cassette joints. > When an older Shimano 3-speed hub fails, it is most often because one of the under-engineered pawls has shattered. Shimano SG-3D55 3-speed hub with disc brake. COMPONENT The comparable SRAM 3spd hub w/ coaster brake weighs in at 1390g, or 3lbs. SHIMANO BIKE-EU Information about specific models is in the articles about. > Loosen that and it allows the adjustment knob to be free. The labels are corrected in the image below.). Install the ball retainer P (3/16"X13). It works! 0000001443 00000 n 0000101707 00000 n 0000000016 00000 n Hub Width: 4 3/4" or 120mm. 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. 0000032359 00000 n Shimano Nexus Inter 3 hub laced with spokes and mounted on a bicycle. (C) Motor unit, Yow! Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. Hold the left hand cone, and then remove the lock nut for left hand cone. Best Bike Trails | File only the bottom of the slots, so you can be sure that the axle sits straight. 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. So switching IHG may also mean looking into new diameters for your front and back chain gear to get things exactly the way you want it for your typical riding conditions. The 5-speed is covered in the Nexus dealer's manual, linked below. Shimano is the #1 brand in cycling parts, especially shifters, derailleurs, sprockets and brakes. Something went "crack!" Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. Widgets, Explore Install it if necessary. Im planning to purchase it and install it on my fixie, as I live on hilly area of Syracuse. Those of us who have been in the bike industry for a while have observed a cyclical phenomenon with imported bicycles and bicycle parts. 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. I like my 3 speed Shimano and am building a second one today because I like it so much. 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). It may not display this or other websites correctly. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. %%EOF 3. The page covering the 11-speed gives more detail about lubrication. Do not lubricate the cassette joint. (B) Right-hand lock nut A Ideally, the frame should have a dropout spacing of 127 to 135 mm to fit one of the Nexus hubs. Following behind Taiwan is mainland China, currently (2006) in stage 3. 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. COMPONENT The following are instructions for the 4- and 7-speed hubs. Note: the cassette joint can be removed with the cable attached to it. 0000002084 00000 n Stage 2: Developing country of [insert name here] decides to move into higher-quality, higher-value production. The Nexus 3-speed bellcrank is aligned in second gear. 0000008907 00000 n This 7-speed internal gear hub from Shimano is an excellent . Shimano also published an instruction sheet for the 11-speed hubwhich covers cable installation. If there is no photo then it didn't happen, so I will include some builds. 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. 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. SHIMANO NEXUS Internal Geared Hub Disc Brake 3-speed VIEW PRODUCT. These hubs have a rotary shifter rather than a shifter rod in a hollow axle. 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. SG-3C41. Nexus 3, 4, 7- and 8-speed internal gear systems may incorporate all-weather braking systems. Remove the cable if needed before installing the cassette joint. Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. 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. This will be even more of an issue if you have one of the original 8GB Nexus 7's, which doesn't give you much wiggle room for storage space. Date Submitted: 01/03/2021 06:29 AM. It weighs 1220 grams stripped in its basic version (without built-in brake). Usually 3-speeds have 1:1 in second gear. TL-HS10 (14 mm) 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. The dropouts of an older three-speed bicycle will need to be widened to fit these hubs. https://www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck Made From Composite Decking, Giddy Up! See anti-rotation washer chart. During the Thanksgiving break, I made my first visit to the Bicycle Exchange (hallowed be its memory) in Cambridge, Massachusetts, returning with a Raleigh-pattern rim and 40 spokes to lace to a Sturmey-Archer AW hub which I had salvaged from a trash pile. 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. Take it for a ride and make sure it shifts properly. Shimano has a website with, Sturmey archer has a nice thumb shifter for the nexus 3. The disc brake gets very hot but is made to withstand the heat. The 11-speed hub also uses a driver cap; the 3, 4 and 7-speed hubs use none. Set the drive unit while align the shallow side of groove of driver unit and wider portion of swelling on the clutch unit. Filling up your Nexus 7's storage space causes its write speed to slow down, slowing down the system. You'll need to get the stuff shown above to set it up. endstream endobj 7 0 obj <> endobj 8 0 obj <> endobj 9 0 obj <>/ExtGState<>/Font<>/ProcSet[/PDF/Text/ImageC/ImageI]/XObject<>>> endobj 10 0 obj <> endobj 11 0 obj <> endobj 12 0 obj [/Indexed/DeviceRGB 255 24 0 R] endobj 13 0 obj <>stream If you unscrew everything that is screwed onto the left end of the axle, the whole mechanism can be pulled out of the right side as a unit. Next, remove the left hand cone. Add to another list Rider questions Rating Review Reviews - Durability 0000006787 00000 n The yellow line on the paddle should be between the two yellow arrows. A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. After re-installing the sprocket, it is a good idea to seat the circlip by going around it and tapping with a hammer and punch. The photos below show the steps in installation of the cassette joint on an 8-speed hub. That is the lowest gear for some hubs, the highest for others. Live better I usually get a separate larger cog/sprocket anyway. The installation instructions specify a yellow washer, type 5R, for the coaster-brake version of the hub to place the axle with its round sides in the edges of the dropout slots. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake. 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. Older bicycles are typically narrower than that. When the 16GB Nexus 7 gets to about 3GB of storage space left, it begins to slow down. 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. 0000101942 00000 n Alfine is a high-end product line with 8 and 11-speed hub. Remove the hub shell. %PDF-1.4 % (Note: in at least one dealer manual, DM-S7051-02-ENG-1.pdf, labels for inner and outer locknuts are switched.) Most other Nexus hubs are similar to the ones described. Stage 1: Underdeveloped country of [insert name here] uses cheap labor to make cheap, low-end products. The cassette joint is installed either of two ways, so the red dots line up. > 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. PRODUCT Some of our partners may process your data as a part of their legitimate business interest without asking for consent. It depends where it was bought, but usually you get the cog and dust cover. The following are instructions for the 7-speed hub.

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