Date Submitted: 01/03/2021 06:29 AM. Major bicycle producing countries still stuck in stage 1 include India and South Korea. 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. Shimano Nexus 3, 4, 5, 7 and 8-speed hubs are currently in production as of 2022. It should also not be taken as a general indictment of Shimano's internal-gear hubs. The Nexus 3-speed bellcrank is aligned in second gear. The hub must be disassembled into its major components, solvent cleaned, dried and re-lubricated. This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. The metallurgy of Japanese steel at that time was not up to the standards of British steelmaking, so the parts were weaker. Guarantee Pay secure BEST PRICE GUARANTEE The best-selling product NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. This is especially the case if a hub has a coaster brake, due to the heat this brake generates. SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed VIEW PRODUCT. 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. The yellow line on the paddle should be between the two yellow arrows. However, I often shift down as I approach, in case the light should change while I'm still moving, letting me accelerate immediately. Aaron's Bicycle Repair, in Seattle, Washington, USA, can rebuild these hubs. 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. The photos below show the steps in installation of the cassette joint on an 8-speed hub. Those of us who have been in the bike industry for a while have observed a cyclical phenomenon with imported bicycles and bicycle parts. I find that shifting is very quick and easy, and I love being able to shift at an intersection while at a standstill. > 0000008805 00000 n Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. With these hubs, the orientation of the axle does not affect shifting, and oil lubrication is possible by removing the bellcrank and pushrod, then squirting oil into the hollow end of the axle. A larger sprocket requires a longer chain. An example of data being processed may be a unique identifier stored in a cookie. 0000000956 00000 n Loosen that and it allows the adjustment knob to be free. This is the Shimano shifter. A 3-speed hub will work better for you if you change the sprocket or chainwheel to lower all the gears, so you use the top gear on level terrain. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 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. Wheel Set - Comes with both front and rear wheel. associate to purchase and make bargains to download and install shimano nexus 7 correspondingly simple! Comfy Bike Seat Unboxing & Review. The ring clips come in rounded or squared spring wire, either will work. Like others have said the hub needs a "trim kit" - (make sure it is not for the other models though). 0000002689 00000 n NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Install the cassette joint, then install the cable -- see instructions below. With the exception of the early 3-speeds, Shimano internal-gear hubs provide reasonable service if not abused. Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. Product info Add a review 1 Singletracks members own this. If there is no photo then it didn't happen, so I will include some builds. Add to another list Rider questions Rating Review Reviews Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. Product information Technical Details Additional Information Feedback Would you like to tell us about a lower price? I have drilled and tapped a Nexus 8-speed for a Sturmey-Archer oil cap. Instructions for the 8-speed hub are very similar and begin. Best of luck! THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. 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 The following are instructions for the 4- and 7-speed hubs. Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. Dealer's manuals, user manuals and parts lists for all currently supported Shimano 3-speed hub models is accessible with this search. (The Columbia's original rim had 36 spokes). Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. 7-speed hub (12 pages) Bicycle Accessories Shimano SC-M500 User Manual. SHIMANO BIKE-EU 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. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. Looks like this right now (no mounting hardware, cog or shift mechanism.). The 5-speed IHG starts 1:1 in first gear and ends up with a 5th gear that is taller. Read those articles along with this one. 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. If they are not, use the electrical shifter to shift the motor unit to first-gear position. The shifter, cable, and "cow bell" parts can also come in a kit, and sometimes I have opted for the integral shifter. This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. 3. 4. The circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. For more-detailed advice on installation of sprockets and setting the gear range, see the section on sprockets in the main article on internal-gear hubs. There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit.