shimano nexus 3 speed installation

Reputation for making cheap, inferior copies. SHIMANO BIKE-EU 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. - Durability The failure of a 333 hub launched my wheelbuilding career. Shop for Shimano Nexus 3 Speed at Walmart.com. The Nexus 3-speed bellcrank is aligned in second gear. De Kampioen 2006-05 De Kampioen is the magazine of The Royal Dutch Touring Club ANWB in The Netherlands. Additional spacers can take hubs out to 135 mm. The metallurgy of Japanese steel at that time was not up to the standards of British steelmaking, so the parts were weaker. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Shimano Nexus 3 Speed Internal Rear Hub. The diameter of the hub was smaller, and so stresses on the internal parts were higher. Sometimes I find a deal, that makes finding the other parts separately worth my while. 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. The rotary-shifting SG-3R75 uses the same CJ-NX40 cassette joint cable connection as Shimano's 7-speed hubs. We and our partners use cookies to Store and/or access information on a device. Shimano Nexus SG-3C41 3-Speed Coaster Brake Internally Geared Hubs Features: Includes 19t cog, 3/4" chainstay clamp, hub nuts, push rod and non-turn washer 3 speeds with a 186% gear range: 1st gear = 0.733, 2nd gear = 1.00 (direct drive), 3rd gear = 1.36 3-Speed Nexus Shifter not included Sturmey-Archer circlips, made of round cross-section wire, are easier to install than the Shimano ones with a square cross-section. The tabs in the motor unit should be aligned as shown in the next picture. Because the shift cable linkage ("cassette joint unit" in Shimano-speak) is also keyed to the axle, different anti-rotation washers work with different dropout angles. Save money. Usually I get my parts by dismantling complete bikes so small parts come along with. The low and middle gears are then better for acceleration and climbing, too. 0000103562 00000 n Stage 3: [insert name here]'s improved product quality is noticed, [insert name here]'s reputation rises. 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. I don't know what you've 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. 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. Manage Settings The 6R and 6L also may be used on the "wrong" sides of the hub for the best cable alignment with some bicycles. You are using an out of date browser. ;-). It may not display this or other websites correctly. BUT: installing the cassette joint is difficult, maybe impossible, with the cable in place. 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. 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. Shimano 3-Speed Coaster Brake, 36H, CB, Sil 3 speed internally geared hub with integrated coaster brake Corrosion resistant coating Axle length 168mm Use: RR Gears: 3s Int Spoke Count: 36H read more Shimano ASG3C41A2068DX Ships Free Currently Sold Out your price $89.98 + ships free Info Shimano Nexus SG-C3001-7R, 36H, RB, Sil Information on how to maintain and rebuild Nexus 3-speed hubs is in PDF documents linked below, now accessible only on the Internet Archive. Japanese bicycles have not been imported to the U.S. in significant number since then, though high-end, high-value Japanese-made parts are still somewhat available. 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. As with most other internal gear systems, Shimano uses tab washers that engage the dropout slots to keep the axle from turning. SHIMANO NEXUS Internal Geared Hub Disc Brake 3-speed VIEW PRODUCT. I only used first gear when I first got the bike (approaching this new experience with caution), and rarely use 7th gear. My bike is far to the left on the power and torque scale. DM General Operations (DM-GN0001) Tag (Choose from the list below) series generation component ROAD GRAVEL MTB E-BIKE URBAN TREKKING BMX I find that shifting is very quick and easy, and I love being able to shift at an intersection while at a standstill. 1. Loosen that and it allows the adjustment knob to be free. It could be that you have a kink or rough spot in your shift cable housing. It is the Nexus model, which is written on the body. Internal-gear hubs always require some system to prevent the axle from rotating, as it is used as part of the gear train. COMPONENT A worn chain will run poorly on a new sprocket. Use a flat tipped screwdriver such as the SD-3 to turn the dial. JavaScript is disabled. The 8-speed adds lower gears for hills, with it's 1:1 ratio at 4th gear. The page covering the 11-speed gives more detail about lubrication. 0000085010 00000 n Please suggest me if there is another hub I can find or where I can find the Shimano nexus hub. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Clutch unit (Y-34R 98050) Return spring (Y-34R 21000) Ball retainer P (Y-34R 98070) GREASE (Y-041 20600) A video of disassembly and reassembly is available here, Aaron's Bicycle Repair, Seattle, Washington, USA -- specializes in internal hubs. Dealer's manuals, user manuals and parts lists for all currently supported Shimano 3-speed hub models is accessible with this search. 0000001183 00000 n Nexus and Alfine 8-speed hubs are nearly identical internally. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? 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. Wheel Set - Comes with both front and rear wheel. startxref You could not single-handedly going gone ebook deposit or library or borrowing from your associates to admittance them. 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! Bicycle Accessories Shimano NEXUS SG-7C26 Service Manual. I have also owned and used 7 speeds and 8 speeds. Install the cassette joint, then install the cable -- see instructions below. Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. 0000002084 00000 n by John Allen, revised with addition of Nexus hub information by. SG-3C41. The consent submitted will only be used for data processing originating from this website. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Know that if you choose the Shimano Nexus 5sp IGH designed for Ebikes, you can get three different cogs. These are listed for most hubs in the hub dimensions document linked below. 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. Although this may not be the most affordable internal gear hub, it is very reliable, durable, and has an excellent gearing ratio. See this document describing differences. This is especially important with a coaster brake, which will become inoperative if the sprocket slips off. 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. Also see our article about derailerless drivetrains. 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. Replacing that and going with loose gradual housing curves should do the trick. With the 8-speed, however, the marks you need to line up are yellow, not red. 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. When an older Shimano 3-speed hub fails, it is most often because one of the under-engineered pawls has shattered. The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. It depends where it was bought, but usually you get the cog and dust cover. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. 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). Now it can be replaced with the new internal assembly. if(typeof ez_ad_units != 'undefined'){ez_ad_units.push([[728,90],'sheldonbrown_com-large-leaderboard-2','ezslot_4',822,'0','0'])};__ez_fad_position('div-gpt-ad-sheldonbrown_com-large-leaderboard-2-0'); Last Updated: The Nexus 3-speed bellcrank is aligned in second gear. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. The 5R and 7L are nearly identical, as are the 5L and 7R, and so these pairs may be interchanged by switching sides.