38 0 obj <>stream 7-speed hub (12 pages) Bicycle Accessories Shimano SC-M500 User Manual. Most sprockets made for this system are "dished" so you can adjust the chainline by flipping the sprocket over. Most Shimano 3-speeds use a bellcrank and pushrod for shifting, rather than a pulley concentric with the axle. 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). See his Web page for advice. 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. For on-road (cruiser) bikes, this hub is nearly perfect, as weight & stopping considerations are a lot less pressing. 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. 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! The 8-speed adds lower gears for hills, with it's 1:1 ratio at 4th gear. Continue with Recommended Cookies, This article gathers information common to many models of Shimano internal-gear hubs. Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. 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. #13 and #14 spoke compatible; FIND A DEALER. hb``c``d``` Reputation for making cheap, inferior copies. (and I'm not talking about Iron Maiden either) Next to this is the "cassette joint bracket" which is stationary. The circlip can be pried off with a thin flat-blade screwdriver, and the sprocket can then be lifted off. Your direction, destination, time, speed, but it's not a freebie, you have to pedal for it. 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). That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. Usually 3-speeds have 1:1 in second gear. 0000001443 00000 n (Note: in at least one dealer manual, DM-S7051-02-ENG-1.pdf, labels for inner and outer locknuts are switched.) Looks like this right now (no mounting hardware, cog or shift mechanism.). (The Columbia's original rim had 36 spokes). 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. Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. See the article on internal-gear hubs for detailed advice. 30T (as delivered), 27T and 24T. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. Whenever India gets ready to move up, it is expected to be a very important player. As with most other internal gear systems, Shimano uses tab washers that engage the dropout slots to keep the axle from turning. 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. This is the Shimano shifter. Thank for helping in finding the Shimano nexus 3 gear hub. This book also is out of print, but copies are available used at a reasonable price. #1 out of 0 Brand: Shimano I Have One! ;-). Stage 1: Underdeveloped country of [insert name here] uses cheap labor to make cheap, low-end products. 0000056270 00000 n 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. 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. My bike is far to the left on the power and torque scale. 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.. The dropouts of an older three-speed bicycle will need to be widened to fit these hubs. For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. The motor unit can install either of two ways. 0000032359 00000 n When an older Shimano 3-speed hub fails, it is most often because one of the under-engineered pawls has shattered. 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 Copyright 2012-2022 EBR Electric Bike Review, Inc. Also operating under the name EBR. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Additional spacers can take hubs out to 135 mm. The fixing ring turns clockwise to lock, same as with the others. MANUALS & TECHNICAL DOCUMENTS You need to select washers for your particular frame. shimano-nexus-3-speed-manual 1/2 Downloaded from stats.ijm.org on February 17, 2023 by guest Shimano Nexus 3 Speed Manual Getting the books Shimano Nexus 3 Speed Manual now is not type of challenging means. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. A video of disassembly and reassembly is available here. Note: the cassette joint can be removed with the cable attached to it. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. 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 The Rollerbrake is a separate module, and when you buy the hub it is not even installed. SHIMANO BIKE-EU The page covering the 11-speed gives more detail about lubrication. Be careful not to install it upside-down. <]/Prev 250097>> 120/127.4 mm - 3-speed. Newer, similar models are the F, FA and G type and the cartridge type, which had a pressed-in right-side ball cup instead of a threaded ball cup. This is especially the case if a hub has a coaster brake, due to the heat this brake generates. I have also owned and used 7 speeds and 8 speeds. 0000003374 00000 n I have never worked with a Nexus 3. As mentioned, the two regular over-run ratchets are still in place. Shifter and cable included. Save money. NEW zigmaverse.com, US $39.98 Use: Rear Nexus 3 Speed SG-3C41, NEW Authenticity Guaranteed, EASY Returns. TL-HS10 (14 mm) Hold the left hand cone, and then remove the lock nut for left hand cone. PRODUCT 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. Comfy Bike Seat Unboxing & Review. The 6R and 6L also may be used on the "wrong" sides of the hub for the best cable alignment with some bicycles. When the 16GB Nexus 7 gets to about 3GB of storage space left, it begins to slow down. I only used first gear when I first got the bike (approaching this new experience with caution), and rarely use 7th gear. Use a flat tipped screwdriver such as the SD-3 to turn the dial. It may not display this or other websites correctly. Rotate the motor unit clockwise to engage it with the axle assembly, and install locknut B, which secures the motor unit. 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. 0000056509 00000 n Some of these hubs have a coaster brake, and others accept the Shimano Rollerbrake, a kind of drum brake. Japan was the prototype for this sequence. Or you can leave the rotor off, install the supplied cover for the CenterLock fitting, and use a rim brake. The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. In 1964, in my freshman year at Middlebury College, I was riding up the steep hill in front of the college chapel on my Columbia 3-speed -- which I had purchased new 5 months earlier. 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. This is an very . Other than that, installation is similar to that of other cassette joints. 0000001183 00000 n COMPONENT Hi Akash, during the pandemic there was definitely a shortage of options as people were buying them up to upgrade their bikes. Plus, the bars look cleaner and the shifter on the downtube is old school. A worn chain will run poorly on a new sprocket. Remove the cable if needed before installing the cassette joint. 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 Internal Geared Hub Disc Brake 3-speed VIEW PRODUCT. Internal-gear hubs always require some system to prevent the axle from rotating, as it is used as part of the gear train. Following behind Taiwan is mainland China, currently (2006) in stage 3. If they are not, use the electrical shifter to shift the motor unit to first-gear position. Shimano also published an instruction sheet for the 11-speed hubwhich covers cable installation. Information on how to maintain and rebuild Nexus 3-speed hubs is in PDF documents linked below, now accessible only on the Internet Archive. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. A larger sprocket requires a longer chain. The cartridge-type mechanism may fit into an older shell, though. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. I usually get a separate larger cog/sprocket anyway. 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. Coaster-brake models were the 3SC TC-100, 3SC TC 200 and the cartridge model 3CC. 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. Do not lubricate the cassette joint. Widgets, Explore This is especially important with a coaster brake, which will become inoperative if the sprocket slips off. 4XpTBCwW P@w^ su`-\cmA3x-N'sG=}YzZTS.zFK*:) u@fFyMVsZIV=|/z-79EYqT8.m?%Rb}uM94j=P/zm]s=4G0. Hub is already built into the rear wheel. Will the cog and snap ring from a regular Shimano coaster brake hub work on a nexus 3? 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. 0000008907 00000 n 0000002689 00000 n 0000101707 00000 n Best of luck! Some high-end production for the domestic market may continue. 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. The hub may still work after a fashion, so the rider continues to use it until the broken fragments of the pawls have gone on to destroy the gears and other parts, making the hub basically irreparable. The coaster brake is also not as powerful those found on a single-speed hub. 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. Still, frequent failures of grease-lubricated hubs due to water contamination have been reported in wet climates --see photos here. Some 8- and 11- speed models have electrical shifting. The first thing you do is loosen the lock nut right up against the body of the shifter. Any good bicycle mechanic will be able to do this, or you can do it yourself. JavaScript is disabled. --> The photos below show the steps in installation of the cassette joint on an 8-speed hub. DM General Operations (DM-GN0001) Tag (Choose from the list below) series generation component ROAD GRAVEL MTB E-BIKE URBAN TREKKING BMX The diameter of the hub was smaller, and so stresses on the internal parts were higher. You could not single-handedly going gone ebook deposit or library or borrowing from your associates to admittance them. Various Nexus 3-speed models have overlocknut dimensions between 127 and 135 mm. 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. Cable-operated and hydraulic disc brakes are available. Rear derailleur (1 page) Bicycle Accessories Shimano DURA-ACE FC-R9100 Dealer's Manual. Manage Settings My Ariel Rider C class has the Shimano Nexus 7 speed. Today, were going to work on internal multi speed hubs. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. 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. Add to another list Rider questions Rating Review Reviews 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. There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit. This 7-speed internal gear hub from Shimano is an excellent . However, while it is lighter than other quality geared hubs, it still adds a bit of weight to the wheel. Singletracks Merch | document.write(document.lastModified) > Color: Silver. Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. It's published 10 times a year with a circulation of approximately 3,5 million copies. If the bearing cup becomes pitted, you have two alternatives: replace the hub shell -- then it is usually most practical to replace the entire wheel. SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. The failure of a 333 hub launched my wheelbuilding career. With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. https://www.diwhy.life/retrospec-harper-bike-review/, Skateboard Deck Made From Composite Decking, Giddy Up! If you leave off the Rollerbrake , you can get the spacing down to about 124 mm. This is what I did on my Nexus bike. Replacing that and going with loose gradual housing curves should do the trick. The rotor diameter is 180mm, not the usual 185mm, raising issues of compatibility with non-Shimano caliper assemblies. 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. Sheldon Brown's Nexus Raleigh International. 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. 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. It weighs 1220 grams stripped in its basic version (without built-in brake). 0000006049 00000 n
shimano nexus 3 speed installation