UM User's Manual SI Service Instructions EV Exploded View QM Quick Manual SM Service Manual Currently available manuals and technical documents from Shimano are posted on this site. 0000006787 00000 n This 7-speed internal gear hub from Shimano is an excellent . Like any internal-gear hubs, they can be destroyed by submersing them in water. [Insert name here] establishes partnerships in [Other Developing Country], builds factories, teaches them how to improve their quality. 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]. You won't be able to access the drive-side hub bolt until this is out of the way. Nexus and Alfine hubs use 3-spline sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs. 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.. Pawl A-1 Ball retainer K Note: Be careful of the setting direction. 0000101707 00000 n Reached stage 2 in the late 1970s, stage 3 in the early 1980s, stage 4 in the mid 1980s, Stage 5 in the late 1980s and stage 6 by the early 1990s. Several brands of adapters for common 6-bolt rotors are available. Best MTB Gear | The 1936 Sturmey-Archer AW hub became the standard of the industry for the next 60 years or more. Sheldon Brown's Nexus Raleigh International. The diameter of the hub was smaller, and so stresses on the internal parts were higher. Please make sure that there is adequate spacing. A worn chain will run poorly on a new sprocket. The circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. Driver Vice 4. 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. Manage Settings This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. The SG-3D55 is Shimano's good ol' Nexus three speed in an aluminum shell with the main drive ratchet replaced by a roller clutch. The 5-speed IHG starts 1:1 in first gear and ends up with a 5th gear that is taller. Stage 3: [insert name here]'s improved product quality is noticed, [insert name here]'s reputation rises. I have drilled and tapped a Nexus 8-speed for a Sturmey-Archer oil cap. 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 cartridge design made it easier to replace the entire internal mechanism at once -- the usual repair. The first thing you do is loosen the lock nut right up against the body of the shifter. Sometimes it happens that wheels are sold without a cog, dust cover, ring, or any mounting parts. Shimano Nexus Inter 3 hub laced with spokes and mounted on a bicycle. #1 out of 0 Brand: Shimano I Have One! k(3001(&U6CVF!i50'n`#u)/oatu\F@ )X&@ V The failure of a 333 hub launched my wheelbuilding career. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link 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. 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. Attachments Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Hub is already built into the rear wheel. A reader, Albert van Dalen, suggests a simpler solution: drilling an oil hole in the hub shell and covering it with duct tape. 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. 0000000016 00000 n 0000004954 00000 n HOME Wheel Set - Comes with both front and rear wheel. Additional spacers can take hubs out to 135 mm. This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. 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. 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. Nexus and Alfine 8-speed hubs are nearly identical internally. 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. Various Nexus 3-speed models have overlocknut dimensions between 127 and 135 mm. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. The cable engages the pulley at the top instead of the bottom with these hubs, and the cassette joint looks like the one in the picture below. Your direction, destination, time, speed, but it's not a freebie, you have to pedal for it. TL-HS10 (14 mm) 2. 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. Priority Current Shimano 5 speed - First impressions. Another way to tell that this is Shimano is that the cable chord goes straight into the adjustment knob, which goes straight into the body of the shifter. > PRODUCT 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. Sturmey-Archer circlips, made of round cross-section wire, are easier to install than the Shimano ones with a square cross-section. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. 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. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. 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). The low and middle gears are then better for acceleration and climbing, too. Author: www.youtube.com. 0000008006 00000 n It does the job, but will not lock the wheel up. Except with vertical dropouts, the tab should preferably face the closed end of the dropout slot, for better engagement. Japanese cyclists were (and still are) lighter, on average, than Americans. The tabs in the motor unit should be aligned as shown in the next picture. (and I'm not talking about Iron Maiden either) This was part of my late brothers last build off bike that he never completed. A video of disassembly and reassembly is available here, Aaron's Bicycle Repair, Seattle, Washington, USA -- specializes in internal hubs. startxref 0000001260 00000 n 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. I usually get a separate larger cog/sprocket anyway. Most Nexus 3-speed hubs are shifted using a bellcrank and pushrod, as described in the article about the 3-speed hubs. hb``c``d``` This book also is out of print, but copies are available used at a reasonable price. Use this position if the rider prefers to spin at higher cadences. 0000007582 00000 n The shimano 8 speed has a good reputation on mtbforum. The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. I like my 3 speed Shimano and am building a second one today because I like it so much. It weighs 1220 grams stripped in its basic version (without built-in brake). Hi Akash, during the pandemic there was definitely a shortage of options as people were buying them up to upgrade their bikes. 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. 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. The following are instructions for the 4- and 7-speed hubs. The next country in this sequence was Taiwan, which hit stage 3 in the mid-late 1990s and is currently in stage 5. Coaster-brake models were the 3SC TC-100, 3SC TC 200 and the cartridge model 3CC. SHIMANO NEXUS Internal Geared Hub Rolle Brake 3-speed VIEW PRODUCT. 0000001443 00000 n Any good bicycle mechanic will be able to do this, or you can do it yourself. Next to this is the "cassette joint bracket" which is stationary. MANUALS & TECHNICAL DOCUMENTS With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. 3. Shop for Shimano Nexus 3 Speed at Walmart.com. A larger sprocket requires a longer chain. You'll need to get the stuff shown above to set it up. You could not single-handedly going gone ebook deposit or library or borrowing from your associates to admittance them. The page covering the 11-speed gives more detail about lubrication. Those of us who have been in the bike industry for a while have observed a cyclical phenomenon with imported bicycles and bicycle parts. (Note: in at least one dealer manual, DM-S7051-02-ENG-1.pdf, labels for inner and outer locknuts are switched.) The most counter-clockwise setting will delay shifting. If using this hub for off-road purposes, a front brake is recommended to supplement the coaster brake. We and our partners use cookies to Store and/or access information on a device. Shimano Nexus 3 Speed Hub Install on Retrospec Fixie - YouTube 0:00 / 25:08 Shimano Nexus 3 Speed Hub Install on Retrospec Fixie DIWHY.LIFE 5.27K subscribers Subscribe 48K views 1. The following are instructions for the 7-speed hub. trailer Filling up your Nexus 7's storage space causes its write speed to slow down, slowing down the system. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. Singletracks Merch | Install the ball retainer P (3/16"X13). SG-3R75-B. SG-3R75-A. The cassette joint is installed either of two ways, so the red dots line up. 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. Most sprockets made for this system are "dished" so you can adjust the chainline by flipping the sprocket over. Stage 2: Developing country of [insert name here] decides to move into higher-quality, higher-value production. The AW hub never gave me any trouble,. . The yellow line on the paddle should be between the two yellow arrows. Now youre done. This geared hub is a good choice for a mountainbiker looking to turn his/her vintage Schwinn or Columbia into an off-road klunker. 120/127.4 mm - 3-speed. Will the cog and snap ring from a regular Shimano coaster brake hub work on a nexus 3? The yellow line on the paddle should be between the two yellow arrows. See the article on internal-gear hubs for detailed advice. 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 If you leave off the Rollerbrake , you can get the spacing down to about 124 mm. The Nexus 3-speed bellcrank is aligned in second gear. For on-road (cruiser) bikes, this hub is nearly perfect, as weight & stopping considerations are a lot less pressing. Free Shipping on All Orders, NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. You are using an out of date browser. [Following paragraphs are by John Allen.]. Coaster-brakes, however, cannot be oil-lubricated; they must be lubricated with a special high-temperature grease. By changing the sprocket, you can raise or lower all of the gears at once. As with most other internal gear systems, Shimano uses tab washers that engage the dropout slots to keep the axle from turning. Shimano has reconsidered, however, and now makes available an optional set of anti-rotation washers that work with vertical dropouts. Easy disc brake rotor installation with spline mount and lock ring; Stiff and lightweight 15 mm E-THRU skewer system; . Take it for a ride and make sure it shifts properly. 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. 0000000956 00000 n Or you can leave the rotor off, install the supplied cover for the CenterLock fitting, and use a rim brake. This is the Shimano shifter. Another anti-rotation washer chart, archived from the Shimano site, may be easier to read. The photos below show the steps in installation of the cassette joint on an 8-speed hub. The metallurgy of Japanese steel at that time was not up to the standards of British steelmaking, so the parts were weaker. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. 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. 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. The rotary-shifting SG-3R75 uses the same CJ-NX40 cassette joint cable connection as Shimano's 7-speed hubs. NEXUS INTER3 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. It was in many ways an innovative design, and managed to avoid infringing on Sturmey-Archer's patents, but it had problems. 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. 0000003374 00000 n JavaScript is disabled. 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. Information about specific models is in the articles about. The motor unit can install either of two ways. Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. We and our partners use cookies to Store and/or access information on a device. A video of disassembly and reassembly is available here. 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. 0000001646 00000 n Rear derailleur (1 page) Bicycle Accessories Shimano DURA-ACE FC-R9100 Dealer's Manual. A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. The 11-speed hub also uses a driver cap; the 3, 4 and 7-speed hubs use none. Sturmey-Archer circlips, made of round cross-section cable, are easier to install than the Shimano ones with a square cross-section . 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. Guarantee Pay secure BEST PRICE GUARANTEE The best-selling product NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. If there is no Rollerbrake installed, the overlocknut spacing can be smaller, down to about 124 mm, using a thinner locknut. Dots at the right end of the hub should be aligned as shown. Note, only the eccentric bottom bracket, not the chain tensioner or rear derailer, will work with the coaster brake version of the Nexus hub, because backpedaling places the lower run of the chain under high tension. Sturmey Archer has a heavy duty 5 speed with coaster brake. Support Us | 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. Today, were going to work on internal multi speed hubs. - Coaster Brake, Cons- Not easily serviced by the user. 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. 6 33 In the case of steel (Cromoly) frames, it is usually possible to spread the rear triangle to the needed width. Aaron's Bicycle Repair, in Seattle, Washington, USA, can rebuild these hubs. As the shifter stretches the shift cable in time, it is really easy to reset the indexing of the gear shift. 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, Internal geared hub for Coaster Brake version. Gates carbon-fiber belt drive also is available for some Nexus and Alfine hubs. Ideally, the frame should have a dropout spacing of 127 to 135 mm to fit one of the Nexus hubs. Shifter and cable included. 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. The shifter, cable, and "cow bell" parts can also come in a kit, and sometimes I have opted for the integral shifter. 4. Save money. - Weight (2-1/2lbs or 1120 grams), Company by John Allen, revised with addition of Nexus hub information by. For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. IMBA Epics | If there is physical damage inside the hub, it usually takes the form of corners' getting rounded off of mating parts, causing the shift adjustment to become a bit more critical. 0000085010 00000 n The smaller-diameter side faces inward. About Us | Best of luck! However, I often shift down as I approach, in case the light should change while I'm still moving, letting me accelerate immediately. The 5-speed is covered in the Nexus dealer's manual, linked below. In addition to juhist's answer: Re-greasing the hub is possible, but messy. Looks like this right now (no mounting hardware, cog or shift mechanism.). Some high-end production for the domestic market may continue. Information on how to maintain and rebuild Nexus 3-speed hubs is in PDF documents linked below, now accessible only on the Internet Archive. Coaster Brake. These are listed for most hubs in the hub dimensions document linked below. 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. The Nexus 3-speed bellcrank is aligned in second gear. The 5R and 7L are nearly identical, as are the 5L and 7R, and so these pairs may be interchanged by switching sides. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. 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. the section on sprockets in the main article on internal-gear hubs. He has tools to extract the bearing race, resurface it and replace it. Something went "crack!" The Alfine 11-speed is oil-lubricated, but the other Nexus and Alfine hubs are packed with a special grease as sold. 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. 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. Add to another list Rider questions Rating Review Reviews 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 Any good bicycle mechanic will be able to do this, or you can do it yourself. Stage 1: Underdeveloped country of [insert name here] uses cheap labor to make cheap, low-end products. The labels are corrected in the image below.). 0000032627 00000 n 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. It may not display this or other websites correctly. 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! MANUALS & TECHNICAL DOCUMENTS 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. <]/Prev 250097>> 38 0 obj <>stream Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. The cassette joint fixing ring is installed so the yellow dots line up. Next, remove the left hand cone. Although this may not be the most affordable internal gear hub, it is very reliable, durable, and has an excellent gearing ratio. This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. Shimano Nexus 3 Speed Internal Rear Hub. 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.