This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. Shop for Shimano Nexus 3 Speed at Walmart.com. The 1936 Sturmey-Archer AW hub became the standard of the industry for the next 60 years or more. Im planning to purchase it and install it on my fixie, as I live on hilly area of Syracuse. 3. 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.. A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. The original internal-gear hubs were English inventions going back to the beginning of the 20th Century. Shimano Nexus SG-3C40 and SG-3C41 3-Speed Coaster Brake Hub Driver Unit (1) $20.33 Was: $26.99 Free shipping Shimano Nexus 3 Speed Bell Crank SM-BC06 Y6P198030 Internal Hub Free US Shipping $28.77 Was: $119.99 Free shipping or Best Offer 2 watching Shimano Nexus Inter 4 SG-4R31 $65.00 Free shipping (C) Motor unit, Yow! Turn it clockwise to lock it. 3. Dots at the right end of the hub should be aligned as shown. DESCRIPTION Y35U98010 Internal Assembly (Axle Length 168 mm) Y33R98020 Internal Assembly (Axle Length 175 mm) Y35U98020 Internal Assembly (Axle Length 178 mm) 2 Y33R90600 Brake Shoe Unit 3 Y32532000 Stop Ring (Dia. 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. (B) Right-hand lock nut A 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. NEXUS INTER3 Following behind Taiwan is mainland China, currently (2006) in stage 3. You must log in or register to reply here. It should also not be taken as a general indictment of Shimano's internal-gear hubs. 0000101707 00000 n 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. 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. This is what I did on my Nexus bike. 0000101942 00000 n 4. 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 3-speed bellcrank is aligned in second gear. associate to purchase and make bargains to download and install shimano nexus 7 correspondingly simple! My review: Major bicycle producing countries still stuck in stage 1 include India and South Korea. It is the Nexus model, which is written on the body. The AW hub never gave me any trouble,. Reputation for making cheap, inferior copies. The Shimano Nexus SG-C3000-7R 7-Speed comes with 2 cogs (19t/21t), 3 size chainstay clamps, 3 sets of non-turn washers, hub nuts, and cassette joint (axel). Additional spacers can take hubs out to 135 mm. They fudge a bit, lowering the gears in order to keep the top gear from being completely useless, but then the middle gear is too low for level-ground riding. 7-speed hub (12 pages) Bicycle Accessories Shimano SC-M500 User Manual. SHIMANO SG-3C41 NEXUS 3-SPEED REAR INTERNAL HUB KIT--COASTER BRAKE $99.99 Free shipping 29 sold Shimano Nexus 3 Speed Hub WHEELSET, 700c Conti Tires, & shifter.Local pick up $125.00 Local Pickup or Best Offer NOS Shimano Nexus 3 speed shifter $34.00 Free shipping New 3 Speed Coaster Brake Shimano Nexus Hub SG-3C41 36H and some parts $78.50 He has tools to extract the bearing race, resurface it and replace it. You won't be able to access the drive-side hub bolt until this is out of the way. They also have 7-speed and 3-speed options. Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. 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. Place the motor unit over the end of the axle so that marks on it line up with marks on a spacer inboard of locknut B, as shown in the image below. 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. I have drilled and tapped a Nexus 8-speed for a Sturmey-Archer oil cap. NEXUS 3-speed Hub w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. The failure mode of the 333 hub is also different from Sturmey-Archers'. 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. Shimano Nexus Inter 3 hub laced with spokes and mounted on a bicycle. A worn chain will run poorly on a new sprocket. Even if you could find a source of parts, you might not get the correct generation of parts for the particular hub you have. The diameter of the hub was smaller, and so stresses on the internal parts were higher. SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. There are also articles on this site more generally about. My bike is far to the left on the power and torque scale. The 8-speed adds lower gears for hills, with its 1:1 ratio at 4th gear. Wheel Set - Comes with both front and rear wheel. As mentioned, the two regular over-run ratchets are still in place. Japan was the prototype for this sequence. Clutch unit (Y-34R 98050) Return spring (Y-34R 21000) Ball retainer P (Y-34R 98070) GREASE (Y-041 20600) The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. TL-HS10 (14 mm) 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. Save money. Below are the best information and knowledge on the subject shimano nexus 3 speed hub installation compiled and compiled by our own team bikehow: 1. Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. Sturmey-Archer circlips, made of round cross-section wire, are easier to install than the Shimano ones with a square cross-section. Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. The circlip can be pried off with a thin flat-blade screwdriver, and the sprocket can then be lifted off. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? You are using an out of date browser. Inter 3 - This hub has three speeds with 36% intervals and an overall gear range of 186%. The photos below show the steps in installation of the cassette joint on an 8-speed hub. You need to select washers for your particular frame. A reader, Albert van Dalen, suggests a simpler solution: drilling an oil hole in the hub shell and covering it with duct tape. The rotor diameter is 180mm, not the usual 185mm, raising issues of compatibility with non-Shimano caliper assemblies. NEW zigmaverse.com, US $39.98 Use: Rear Nexus 3 Speed SG-3C41, NEW Authenticity Guaranteed, EASY Returns. 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. Your direction, destination, time, speed, but it's not a freebie, you have to pedal for it. Live better I have a very nice 1970's Raleigh Competition racing frame which I converted into a Nexus 7-speed: Sheldon Brown's Nexus Raleigh Competition. 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. 0000004393 00000 n They love that stuff. Looks like this right now (no mounting hardware, cog or shift mechanism.). Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. This is the Shimano shifter. > This 7-speed internal gear hub from Shimano is an excellent . Anti-rotation washers are specified for both sides, and must be chosen to align the shifter assembly with the cable. 2. Or you can leave the rotor off, install the supplied cover for the CenterLock fitting, and use a rim brake. A Shimano Rollerbrake is lubricated without any disassembly, using the special Nexus brake grease -- there's a small rubber access plug on the side of the brake unit, just pop off the plug, put the nozzle of the grease tube up against it, and squeeze. Stage 3: [insert name here]'s improved product quality is noticed, [insert name here]'s reputation rises. Most Shimano 3-speeds use a bellcrank and pushrod for shifting, rather than a pulley concentric with the axle. COMPONENT SG-3R75-B. 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. Product information Technical Details Additional Information Feedback Would you like to tell us about a lower price? Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. Of course, I am old and weak and feel no need to go faster than 20 mph. 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. 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. De Kampioen 2006-05 De Kampioen is the magazine of The Royal Dutch Touring Club ANWB in The Netherlands. Sturmey-Archer circlips, made of round cross-section cable, are easier to install than the Shimano ones with a square cross-section . 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. Singletracks Merch | Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. The shimano 8 speed has a good reputation on mtbforum. 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. A bike is freedom. Mechanical problems can result from "preventive maintenance" including re-lubrication with incorrect grease. 38 0 obj <>stream For fast, positive shifting, try the only all-new design in three speeds: SRAM's iM3. An example of data being processed may be a unique identifier stored in a cookie. My Ariel Rider C class has the Shimano Nexus 7 speed. The cartridge design made it easier to replace the entire internal mechanism at once -- the usual repair. Although this may not be the most affordable internal gear hub, it is very reliable, durable, and has an excellent gearing ratio. The 333 hub was much more complicated internally than the Sturmey-Archer AW. The rod may also be separate, be sure to get the right length, which depends on the axle length, but most 3C41 hubs have the same axle. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. MANUALS & TECHNICAL DOCUMENTS The coaster brake is also not as powerful those found on a single-speed hub. For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. This procedure is the same for the Nexus 4-, 7- and 8-speed hubs, using 4th gear as the reference. Sheldon Brown's Nexus Raleigh International. The tabs in the motor unit should be aligned as shown in the next picture. You'll need to get the stuff shown above to set it up. Instructions for the 8-speed hub are very similar and begin. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Information on how to maintain and rebuild Nexus 3-speed hubs is in PDF documents linked below, now accessible only on the Internet Archive. We and our partners use cookies to Store and/or access information on a device. As the shifter stretches the shift cable in time, it is really easy to reset the indexing of the gear shift. I'd dig around in all the parts to see if they were put in a safe place. (Earlier Nexus hubs only used an anti-rotation washer on the right side, but newer models use a pair of them, each a mirror image of the other.). 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. 0000006787 00000 n Hub Width: 4 3/4" or 120mm. password. Any good bicycle mechanic will be able to do this, or you can do it yourself. 0000000956 00000 n Free Shipping on All Orders, NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. 0000056270 00000 n 18 Inch Alloy Wheels for sale, new Microshift BS-N08 8 Speed Bar End Shifter for Shimano Alfine or Nexus Hub Gear of practicalcycles company from China. You may check your work using an anti-rotation washer: if the tab of the washer fits, the axle will fit. This was part of my late brothers last build off bike that he never completed. 0000103562 00000 n 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . You are using an out of date browser. Shimano has a special tool to align them, but this can also be achieved with careful clockwise rotation of the two notches in the ring shown in gray, using an adjustable pin spanner. 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. New developments include electrical shifting and a disc-brake version. Terms | Privacy, Where to buy Shimano Nexus Inter-3 (3-speed). 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. Install the ball retainer P (3/16"X13). Comfy Bike Seat Unboxing & Review. 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. File only the lower edge of the dropout slots, to avoid disturbing wheel alignment. Please make sure that there is adequate spacing. Instructions for most 8-speed hubs are very similar and begin. A video of disassembly and reassembly is available here. DM General Operations (DM-GN0001) Tag (Choose from the list below) series generation component ROAD GRAVEL MTB E-BIKE URBAN TREKKING BMX hb``c``d``` Electrical shifters work with drop bars or flat bars. Support Us | The fixing ring turns clockwise to lock, same as with the others. Cable-operated and hydraulic disc brakes are available. Installation of this hub is already complicated enough! NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. It works! In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. Some hubs use electrical ("Di2") shifting, with a motor unit between the right-side dropout and sprocket. It depends where it was bought, but usually you get the cog and dust cover. https://www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck Made From Composite Decking, Giddy Up! It may not display this or other websites correctly. That makes it easy to clean the inside of the adjustment mark view window. 0000001260 00000 n 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). Gear Adjustment-all cable-operated Nexus and Alfine 4-, 7-, 8- and 11-speeds: Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. #13 and #14 spoke compatible; FIND A DEALER. 4. I have never worked with a Nexus 3. 0000002689 00000 n Set the drive unit while align the shallow side of groove of driver unit and wider portion of swelling on the clutch unit. 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. Something went "crack!" The yellow line on the paddle should be between the two yellow arrows. (Thanks to Aaron Goss for this info!). Install it if necessary. I suppose that could be called a blessing in disguise. Also see our article about derailerless drivetrains. This book also is out of print, but copies are available used at a reasonable price. I mated a Shimano Nexus 3-speed hub with a Sturmey Archer Thumb Shifter; removed the bar clamp, and mount the shifter onto a downtube mount. Looks like this right now (no mounting hardware, cog or shift mechanism.). Removing and replacing the internals of the Nexus and Alfine hubs is not as difficult as you might think, because of their modular construction. 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. The consent submitted will only be used for data processing originating from this website. Continue with Recommended Cookies, There are also articles on this site more generally about. (Most frames can flex about .5" to fit) In this video, I'll 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). inside the 333 hub, and I felt odd, uneven resistance when pedaling. MTB Podcast | It may not display this or other websites correctly. Stage 6: [Insert name here] can no longer manufacture bicycle parts at a competitive price, more and more manufacturing for export is shifted to [Other Developing Country]. 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.. 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: This is normally a right-side washer (so, the "R") but is shown on the left side in the documentation of this hub. %PDF-1.4 % Shimano is the #1 brand in cycling parts, especially shifters, derailleurs, sprockets and brakes. However, while it is lighter than other quality geared hubs, it still adds a bit of weight to the wheel. MANUALS & TECHNICAL DOCUMENTS > 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. Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. SHIMANO Nexus 3 Speed Mounting Hardware, Silver $6.99 SHIMANO Nexus Inter-3 SG-3C41 Push Rod for 168mm Axle $9.00 Customers also search Page 1 of 1 3 speed bike shifter nexus shifter 3 speed shimano shifter shimano nexus 3 twist shifter grips shimano derailleur gear 6 speed bicycle shifter bike shifter parts Product Description You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. Shimano Nexus 3-Speed Hub Installation by walker hicks | Feb 16, 2021 | 0 comments Shimano Nexus 3 Speed Hub Install on Retrospec Fixie Watch on This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. The 6R and 6L also may be used on the "wrong" sides of the hub for the best cable alignment with some bicycles. Be careful not to install it upside-down. US $399.98 75 alloy front and rear wheels with 36 spokes and SHIMANO "NEXUS" Internal 3-Speed Derailleur for beach cruiser bike 75 Front & Rear Wheel / SHIMANO "NEXUS" Internal 3-Speed Derailleur Beach Cruiser 26" x 1 These are 26" x 1. Relubrication using oil and waterproof grease is highly recommended to keep water out of the mechanism. See the separate articles on this site about disc brakes, coaster brakes and Rollerbrakes. A coaster brake can easily skid the rear wheel, but is hard to control and overheats on long downhill runs. Add to another list Rider questions Rating Review Reviews Nexus and Alfine hubs use 3-spline sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs. If they are not, use the electrical shifter to shift the motor unit to first-gear position. Coaster-brakes, however, cannot be oil-lubricated; they must be lubricated with a special high-temperature grease. 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. Author: www.youtube.com. COMPONENT 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 SERVICE CENTER Coaster-brake models were the 3SC TC-100, 3SC TC 200 and the cartridge model 3CC. 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. SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed VIEW PRODUCT. > - Mediocre power coaster brake - Weight (2-1/2lbs or 1120 grams), Company Glenn's New Complete Bicycle Manual also has rebuilding information.