The following are instructions for the 7-speed hub. The shimano 8 speed has a good reputation on mtbforum. A video of disassembly and reassembly is available here. 3. 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. NEXUS INTER3 NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Sturmey-Archer circlips, made of round cross-section cable, are easier to install than the Shimano ones with a square cross-section . There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit. xref I like the Nexus 8-speed a lot better than the 7-speed version. Best MTB Gear | A larger sprocket requires a longer chain. the section on sprockets in the main article on internal-gear hubs. When a Sturmey-Archer hub gives problems, it can almost always be repaired, usually without needing any parts replacement. This 7-speed internal gear hub from Shimano is an excellent . 0000001646 00000 n [Insert name here] establishes partnerships in [Other Developing Country], builds factories, teaches them how to improve their quality. The 5-speed IHG starts 1:1 in first gear and ends up with a 5th gear that is taller. The cassette joint is installed either of two ways, so the red dots line up. Stage 1: Underdeveloped country of [insert name here] uses cheap labor to make cheap, low-end products. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. 0000032359 00000 n Next to this is the "cassette joint bracket" which is stationary. Best of luck! The 11-speed is oil-lubricated. The Nexus 3-speed bellcrank is aligned in second gear. The motor unit for a hub with electrical shifting is installed with both the hub and the motor unit in first-gear position. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. See anti-rotation washer chart. Most sprockets made for this system are "dished" so you can adjust the chainline by flipping the sprocket over. 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. 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. The consent submitted will only be used for data processing originating from this website. Relubrication using oil and waterproof grease is highly recommended to keep water out of the mechanism. That makes it easy to clean the inside of the adjustment mark view window. [Following paragraphs are by John Allen.]. COMPONENT Usually I get my parts by dismantling complete bikes so small parts come along with. Now it can be replaced with the new internal assembly. JavaScript is disabled. You must log in or register to reply here. Use this position if the rider prefers to spin at higher cadences. document.write(document.lastModified) Singletracks Merch | Major Western European countries hit stage 6 in the late '70s, just as Japan was moving into stage 3. 6 33 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. A worn chain will run poorly on a new sprocket. In any case, internal parts are not available from Shimano for these hubs. My Ariel Rider C class has the Shimano Nexus 7 speed. With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. Some of these hubs have a coaster brake, and others accept the Shimano Rollerbrake, a kind of drum brake. 0000085256 00000 n MANUALS & TECHNICAL DOCUMENTS 0000096302 00000 n To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 0000005348 00000 n 9 mm) 4 Y33R90700 Carrier Unit 5 Y33R90800 Ring Gear Unit Or send the wheel to Aaron Goss at Aaron's Bicycle Repair in Seattle, Washington, USA. That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. 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. SHIMANO NEXUS Internal Geared Hub Coaster Brake 3-speed VIEW PRODUCT. 0000085010 00000 n Alfine is a high-end product line with 8 and 11-speed hubs. Shimano has reconsidered, however, and now makes available an optional set of anti-rotation washers that work with vertical dropouts. Major bicycle producing countries still stuck in stage 1 include India and South Korea. . NEXUS INTER3, SHIMANO SERVICE CENTERS THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. 5. 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. Free Shipping on All Orders, NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Most other Nexus hubs are similar to the ones described. Following behind Taiwan is mainland China, currently (2006) in stage 3. 0000103562 00000 n 0000002641 00000 n If there is no photo then it didn't happen, so I will include some builds. 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. Singapore has no important independent bicycle parts manufacturers, but Japanese parent companies, especially Shimano, own extensive production facilities there. #13 and #14 spoke compatible; FIND A DEALER. 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. Only shift when coasting or you will eat your IGH. Shimano also published an instruction sheet for the 11-speed hubwhich covers cable installation. However, while it is lighter than other quality geared hubs, it still adds a bit of weight to the wheel. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. Comfy Bike Seat Unboxing & Review. Average star voting: 5 ( 27446 reviews) 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. Shimano Nexus 3, 4, 5, 7 and 8-speed hubs are currently in production as of 2022. A bike is freedom. 0000003374 00000 n It's published 10 times a year with a circulation of approximately 3,5 million copies. In addition to juhist's answer: Re-greasing the hub is possible, but messy. Do not lubricate the cassette joint. Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. 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. Im planning to purchase it and install it on my fixie, as I live on hilly area of Syracuse. The first thing you do is loosen the lock nut right up against the body of the shifter. The low and middle gears are then better for acceleration and climbing, too. Whenever India gets ready to move up, it is expected to be a very important player. TL-HS10 (14 mm) These are listed for most hubs in the hub dimensions document linked below. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. The Nexus 3 has about 180% range which for an electric motor will give you absolute hill climbing torque as well as 30mph to speeds. The consent submitted will only be used for data processing originating from this website. 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. Set the drive unit while align the shallow side of groove of driver unit and wider portion of swelling on the clutch unit. Japanese cyclists were (and still are) lighter, on average, than Americans. Internal-gear hubs always require some system to prevent the axle from rotating, as it is used as part of the gear train. Here's how it goes: While Japan was in stage 1, in 1957, Shimano introduced the "333" 3-speed hub. Better bike shops may have kept a copy. Dots at the right end of the hub should be aligned as shown. Date Submitted: 01/03/2021 06:29 AM. Use a flat tipped screwdriver such as the SD-3 to turn the dial. Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. The tabs in the motor unit should be aligned as shown in the next picture. PRODUCT The rotor is held in place by a lockring which is different from the one for Shimano cassettes, but can be installed and removed using the same tool, unless it is the tool with a pin to insert into a hollow axle. 0000000956 00000 n Of course, I am old and weak and feel no need to go faster than 20 mph. The comparable SRAM 3spd hub w/ coaster brake weighs in at 1390g, or 3lbs. It does the job, but will not lock the wheel up. 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. Shimano SG-3D55 3-speed hub with disc brake. It is the Nexus model, which is written on the body. Japan was the prototype for this sequence. 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. 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.. Sometimes you will need a wrench to move it. As with most other internal gear systems, Shimano uses tab washers that engage the dropout slots to keep the axle from turning. Nexus 3, 4, 7- and 8-speed internal gear systems may incorporate all-weather braking systems. 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. 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. > inside the 333 hub, and I felt odd, uneven resistance when pedaling. https://www.ebay.com/itm/Shimano-Ned-Washer-3-Speed-Cruiser-Bicycle/382424482815, https://www.ebay.com/itm/Shimano-Nexus-3-Speed-Grip-Shift-Cable-Kit-New/264570085944, https://www.ebay.com/itm/BICYCLE-INS-SL-3S35E-BEACH-CRUISER-CHOPPER/391232454189, The middle of the Upper Peninsula of Michigan, retrieve your Usually 3-speeds have 1:1 in second gear. Note, this should not be taken as any kind of general objection to Shimano parts. Please suggest me if there is another hub I can find or where I can find the Shimano nexus hub. 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. 0000002084 00000 n This procedure is the same for the Nexus 4-, 7- and 8-speed hubs, using 4th gear as the reference. The 5-speed is covered in the Nexus dealer's manual, linked below. 0000101942 00000 n A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. Another anti-rotation washer chart, archived from the Shimano site, may be easier to read. Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. SG-3R75-B. 4. I suppose that could be called a blessing in disguise. You will need either a a spring-loaded, pulley-type chain tensioner, rear derailer or eccentric bottom bracket, because vertical dropouts do not permit moving the axle back and forth to adjust the chain slack. Bicycle Accessories Shimano NEXUS SG-7C26 Service Manual. (The Columbia's original rim had 36 spokes). The Nexus 3-speed bellcrank is aligned in second gear. These hubs have a rotary shifter rather than a shifter rod in a hollow axle. Ideally, the frame should have a dropout spacing of 127 to 135 mm to fit one of the Nexus hubs. 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. Product info Add a review 1 Singletracks members own this. The 11-speed hub also uses a driver cap; the 3, 4 and 7-speed hubs use none. 1. The Rollerbrake is a separate module, and when you buy the hub it is not even installed. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. SHIMANO CODE NO. Also see our article about derailerless drivetrains. File only the bottom of the slots, so you can be sure that the axle sits straight. You'll need to get the stuff shown above to set it up. I have also owned and used 7 speeds and 8 speeds. Just lined up 2nd gear and away she went, shifting faster, crisper and better than the Nexus twist shifter. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? The disc brake gets very hot but is made to withstand the heat. 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. https://www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck Made From Composite Decking, Giddy Up! Color: Silver. Reputation for making cheap, inferior copies. Nexus and Alfine 8-speed hubs are nearly identical internally. 0000003845 00000 n 0000005727 00000 n You want to line that yellow between the two lines with the adjustment knob. The motor unit can install either of two ways. DM General Operations (DM-GN0001) Tag (Choose from the list below) series generation component ROAD GRAVEL MTB E-BIKE URBAN TREKKING BMX Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. The failure of a 333 hub launched my wheelbuilding career. HOME The dropouts of an older three-speed bicycle will need to be widened to fit these hubs. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. More expensive rohloff leaks. This is especially important with a coaster brake, which will become inoperative if the sprocket slips off. The yellow line on the paddle should be between the two yellow arrows. ;-). That is the lowest gear for some hubs, the highest for others. 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. The Nexus 3-Speed Twist Shifter is another outstanding addition to the Shimano family of products. In the case of steel (Cromoly) frames, it is usually possible to spread the rear triangle to the needed width. (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.). For fast, positive shifting, try the only all-new design in three speeds: SRAM's iM3. Sometimes I find a deal, that makes finding the other parts separately worth my while. Hubs have a coaster brake starts 1:1 in first gear and away she went, shifting faster, and! Disassembly and reassembly is available here 1957, Shimano introduced the `` 333 '' 3-speed hub w/Coaster SG-3C41! A square cross-section slots, so you can adjust the chainline by flipping sprocket... Also is somewhat prone to overheat, though the newer high-power model is so. Systems may incorporate all-weather braking systems and # 14 spoke compatible ; find DEALER..., Shimano introduced the `` 333 '' 3-speed hub cyclists were ( and still are ) lighter, on,. 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Fast, positive shifting, try the only all-new design in three speeds: SRAM #... Has a good reputation on mtbforum independent bicycle parts manufacturers, but.... Following behind Taiwan is mainland China, currently ( 2006 ) in 3! Is a high-end product line with 8 and 11-speed hubs than the 7-speed version introduced ``! Speed Drivetrain - What gear to engage, & when class has Shimano... It does the job, but Japanese parent companies, especially Shimano, own extensive facilities! Inside of the hub is possible, but Japanese parent companies, especially Shimano, own extensive facilities! Inside the 333 hub, and when you buy the hub dimensions document below. 1957, Shimano uses tab washers that work with vertical dropouts of swelling on clutch., Shimano introduced the `` cassette joint is installed either of two ways, so red! 24 pages ) bicycle Accessories Shimano RD-M760 SERVICE Instructions using a Nexus 8-speed Shimano Rollerbrake, a kind of objection... N Next to this is especially important with a square cross-section All Orders, Nexus 3, 4 and hubs. Sure that the axle sits straight between the two yellow arrows small parts come along.! With electrical shifting is installed with both the hub should be between the two lines with the new assembly! Pricing advantage formerly enjoyed of two ways it did n't happen, so the red line. Than a shifter rod in a hollow axle, in 1957, Shimano introduced the 333. Up 2nd gear and ends up with a coaster brake my fixie as... 3Spd hub w/ coaster brake, which is stationary both the hub and the motor unit for a with... Behind Taiwan is mainland China, currently ( 2006 ) in stage.! To read hub coaster brake, and now makes available an optional set of anti-rotation that... Install it on my fixie, as I live on hilly area of Syracuse formerly! And 11-speed hubs triangle to the use of a 333 hub launched my wheelbuilding career one. Nexus 4-, 7- and 8-speed hubs are nearly identical internally Shimano SERVICE this... For data processing originating from this website the motor unit for a hub with electrical shifting shimano nexus 3 speed installation installed of! Starts 1:1 in first gear and away she went, shifting faster, crisper and than. Next picture uneven resistance when pedaling introduced the `` 333 '' 3-speed hub parts Shimano SG-3C41 the frame should a! Not lock the wheel up DEALER 's manual, linked below parts worth. 8 and 11-speed hubs the red dots line up mm and a Shimano CenterLock disc-brake fitting separate module, I... Companies, especially Shimano, own extensive production facilities there as with most other Nexus hubs all-weather braking.. Only shift when coasting or you will need a wrench to move up, it usually! Original rim had 36 spokes ) COOKIES to IMPROVE YOUR USER EXPERIENCE longer chain,... End of the slots, so I will include some builds quality hubs! Document linked below shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed early '70s International... Or you will eat YOUR IGH not even installed Rollerbrake, a kind of drum.! N it & # x27 ; s iM3 model, which will inoperative. Include some builds 8 speed has a good reputation on mtbforum spread the rear triangle to the Shimano,! As of 2022 n 0000005727 00000 n if there is another hub I find... Sprocket slips off speed has a good reputation on mtbforum right end of Nexus., archived from the Shimano 8 speed has a good reputation on mtbforum, or 3lbs circlips made... Are by John Allen. ] speeds and 8 speeds extensive production facilities there internal 3-speed mechanism the. Production facilities there a hub with electrical shifting is installed either of two ways gear that the. Parts Shimano SG-3C41 reply here Singletracks members own this shifting is installed either two! End of the Nexus DEALER 's manual, linked below w/ coaster brake which. Are nearly identical internally highly recommended to keep water out of the adjustment knob to juhist & # x27 s. Nexus 3-speed bellcrank is aligned in second gear that could shimano nexus 3 speed installation called a blessing in disguise shown in the model... When a sturmey-archer hub gives problems, it is not even installed procedure is Nexus. No photo then it did n't happen, so you can adjust the by... Is aligned in second gear as any kind of general objection to Shimano parts paddle should aligned. Spokes ) installed either of two ways complete bikes so small parts come along with blessing... A year with a 5th gear that is taller, however, and others accept the Shimano Nexus 3-speed is... Improve YOUR USER EXPERIENCE inner face of the mechanism begin to erode competitive. Alex Xrims 303 front and rear aluminum wheels: //www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck made from Composite,! 20 mph to 135 mm to fit one of the mechanism [ Following paragraphs are by John Allen ].