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29.12.2020

shimano nexus 3 speed installation

Dodano do: james cavendish buittle

Take it for a ride and make sure it shifts properly. 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. The Nexus 3-speed bellcrank is aligned in second gear. Remove the cable if needed before installing the cassette joint. Know that if you choose the Shimano Nexus 5sp IGH designed for Ebikes, you can get three different cogs. - Weight (2-1/2lbs or 1120 grams), Company 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]. Gates carbon-fiber belt drive also is available for some Nexus and Alfine hubs. Looks like this right now (no mounting hardware, cog or shift mechanism.). Several brands of adapters for common 6-bolt rotors are available. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? It weighs 1220 grams stripped in its basic version (without built-in brake). 0000085256 00000 n I like my 3 speed Shimano and am building a second one today because I like it so much. Please suggest me if there is another hub I can find or where I can find the Shimano nexus hub. The next country in this sequence was Taiwan, which hit stage 3 in the mid-late 1990s and is currently in stage 5. Stage 2: Developing country of [insert name here] decides to move into higher-quality, higher-value production. The 6R and 6L also may be used on the "wrong" sides of the hub for the best cable alignment with some bicycles. More expensive rohloff leaks. The sprocket is held in position by a spring circlip (snap ring). PRODUCT 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.. - Mediocre power coaster brake More information about oil lubrication is in the main file about internal-gear hubs. 0000006787 00000 n > Looking for specific info? The fixing ring turns clockwise to lock, same as with the others. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. After re-installing the cog, it is a good idea to seat the circlip . Sprocket and sprocket circlip are installed before the cassette joint parts. 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. It works! (The bigger part is downside.) Continue with Recommended Cookies, This article gathers information common to many models of Shimano internal-gear hubs. Only shift when coasting or you will eat your IGH. 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. Whenever India gets ready to move up, it is expected to be a very important player. A coaster brake can easily skid the rear wheel, but is hard to control and overheats on long downhill runs. Inter 3 - This hub has three speeds with 36% intervals and an overall gear range of 186%. They love that stuff. SG-3R75-A. The failure mode of the 333 hub is also different from Sturmey-Archers'. HOME 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. 2. Installation instructions for this hub. See our Rollerbrake page for information on installing and removing the Rollerbrake. Some 8- and 11- speed models have electrical shifting. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. 1. The most counter-clockwise setting will delay shifting. > Save money. Remove the hub shell. 0000007582 00000 n If using this hub for off-road purposes, a front brake is recommended to supplement the coaster brake. File only the lower edge of the dropout slots, to avoid disturbing wheel alignment. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. JavaScript is disabled. You'll need to get the stuff shown above to set it up. Not sure if Nexus uses an odd 3/8-24tpi thread axle/nut (not 26?). 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. See this document describing differences. Other versions include coaster, roller or disk brake. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. My review: I have never worked with a Nexus 3. 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. MODEL NO: HB-TC500-15: SERIES: CUES U6000 Series 10-speed: Color|1 Hub shell: Black: MTB Podcast | Shifter and cable included. You are using an out of date browser. SG-3D55. 0000056270 00000 n Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. Attachments Bicycle Accessories Shimano NEXUS SG-7C26 Service Manual. The cassette joint fixing ring is installed so the yellow dots line up. Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. In the case of steel (Cromoly) frames, it is usually possible to spread the rear triangle to the needed width. This is normally a right-side washer (so, the "R") but is shown on the left side in the documentation of this hub. 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 circlip can be pried off with a thin flat-blade screwdriver, and the sprocket can then be lifted off. In addition to juhist's answer: Re-greasing the hub is possible, but messy. 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. A disc brake requires the bicycle frame to have h a special fitting for the caliper assembly. 0000001183 00000 n 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. 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! Register today and take advantage of membership benefits. Cable-operated and hydraulic disc brakes are available. PRODUCT SPECIFICATIONS. The comparable SRAM 3spd hub w/ coaster brake weighs in at 1390g, or 3lbs. Be careful not to install it upside-down. I have also owned and used 7 speeds and 8 speeds. NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. Shifters are compatible with both types of cassette joints except that indications will read backwards 8 to 1 instead of 1 to 8 if you mix and match. I only used first gear when I first got the bike (approaching this new experience with caution), and rarely use 7th gear. The 8L and 8R may be useful with forward-facing dropouts if you would like to run the cable up a seatstay. Alfine hubs have the Shimano CenterLock fitting, which accepts a proprietary Shimano disc brake rotor. Instructions for most 8-speed hubs are very similar and begin. Rotate the motor unit clockwise to engage it with the axle assembly, and install locknut B, which secures the motor unit. Or send the wheel to Aaron Goss at Aaron's Bicycle Repair in Seattle, Washington, USA. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. It does the job, but will not lock the wheel up. . 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 Something went "crack!" You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. [Insert name here] establishes partnerships in [Other Developing Country], builds factories, teaches them how to improve their quality. The metallurgy of Japanese steel at that time was not up to the standards of British steelmaking, so the parts were weaker. > Front chainwheel (21 pages) Bicycle . Shimano is the #1 brand in cycling parts, especially shifters, derailleurs, sprockets and brakes. Please make sure that there is adequate spacing. [Following paragraphs are by John Allen.]. Best MTB Gear | This is what I did on my Nexus bike. 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. 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. Nexus and Alfine hubs use 3-spline sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs. 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). For a better experience, please enable JavaScript in your browser before proceeding. The low and middle gears are then better for acceleration and climbing, too. 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. 0000008006 00000 n Read those articles along with this one. 0000002084 00000 n Usually I get my parts by dismantling complete bikes so small parts come along with. Looks like this right now (no mounting hardware, cog or shift mechanism.). - Coaster Brake, Cons- Not easily serviced by the user. 3. Or you can leave the rotor off, install the supplied cover for the CenterLock fitting, and use a rim brake. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. 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. The rotary-shifting SG-3R75 uses the same CJ-NX40 cassette joint cable connection as Shimano's 7-speed hubs. (Thanks to Aaron Goss for this info!). TL-LR10 for Centerlock), which in sum isn't exactly cheap. Any good bicycle mechanic will be able to do this, or you can do it yourself. See anti-rotation washer chart. 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 has a website with, Sturmey archer has a nice thumb shifter for the nexus 3. 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: SHIMANO CODE NO. SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. 3. Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. The yellow line on the paddle should be between the two yellow arrows. However, I often shift down as I approach, in case the light should change while I'm still moving, letting me accelerate immediately. With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. A video of disassembly and reassembly is available here. Mechanical problems can result from "preventive maintenance" including re-lubrication with incorrect grease. The ring clips come in rounded or squared spring wire, either will work. The motor unit for a hub with electrical shifting is installed with both the hub and the motor unit in first-gear position. The cassette joint is installed either of two ways, so the red dots line up. Product information Technical Details Additional Information Feedback Would you like to tell us about a lower price? It is the Nexus model, which is written on the body. File only the bottom of the slots, so you can be sure that the axle sits straight. 0000005727 00000 n It may not display this or other websites correctly. Either way is OK: you will rotate the axle when installing the wheel so the electrical connection faces forward. 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.. I find that shifting is very quick and easy, and I love being able to shift at an intersection while at a standstill. 4. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Glenn's New Complete Bicycle Manual also has rebuilding information. Quality control and design improve, often benefiting from the advice of partners in more developed countries. Relubrication using oil and waterproof grease is highly recommended to keep water out of the mechanism. A worn chain will run poorly on a new sprocket. After re-installing the sprocket, it is a good idea to seat the circlip by going around it and tapping with a hammer and punch. You want to line that yellow between the two lines with the adjustment knob. If there is no Rollerbrake installed, the overlocknut spacing can be smaller, down to about 124 mm, using a thinner locknut. 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. I usually get a separate larger cog/sprocket anyway. See the separate articles on this site about disc brakes, coaster brakes and Rollerbrakes. The 5R and 7L are nearly identical, as are the 5L and 7R, and so these pairs may be interchanged by switching sides. Your direction, destination, time, speed, but it's not a freebie, you have to pedal for it. 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. Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. 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. 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. Install the ball retainer P (3/16"X13). Plus, the bars look cleaner and the shifter on the downtube is old school. The dropouts of an older three-speed bicycle will need to be widened to fit these hubs. Alfine is a high-end product line with 8 and 11-speed hub. 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. 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. 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. 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. 0000000016 00000 n The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake. 7-speed hub (12 pages) Bicycle Accessories Shimano SC-M500 User Manual. FEATURES Internal geared hub for Coaster Brake version Integral Coaster Brake Gear Change Support Mechanism Weight: 1,120g View More FIND A DEALER PRODUCT SPECIFICATIONS Manuals & Technical Documents Do not lubricate the cassette joint. I suppose that could be called a blessing in disguise. Product info Add a review 1 Singletracks members own this. The legend for the drawing in the manual reads: (A) Right-hand lock nut B 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. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Those of us who have been in the bike industry for a while have observed a cyclical phenomenon with imported bicycles and bicycle parts. Dealer's manuals, user manuals and parts lists for all currently supported Shimano 3-speed hub models is accessible with this search. The photos below show the steps in installation of the cassette joint on an 8-speed hub. The original internal-gear hubs were English inventions going back to the beginning of the 20th Century. 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. 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. 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. This is the first video in a series of gravel bike upgrades to the Retrospec Harper Coaster single speed bike. Now it can be replaced with the new internal assembly. But the problem is, Im not able to find it on internet for the price you purchased, I can spend 100$ but beyond that its difficult. document.write(document.lastModified) Got this Nexus 3 speed with Alex Xrims 303 front and rear aluminum wheels. Major Western European countries hit stage 6 in the late '70s, just as Japan was moving into stage 3. 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. DM General Operations (DM-GN0001) Tag (Choose from the list below) series generation component ROAD GRAVEL MTB E-BIKE URBAN TREKKING BMX Internal-gear hubs always require some system to prevent the axle from rotating, as it is used as part of the gear train. MANUALS & TECHNICAL DOCUMENTS Reputation for making cheap, inferior copies. When a Sturmey-Archer hub gives problems, it can almost always be repaired, usually without needing any parts replacement. 0000032627 00000 n 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 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. (C) Motor unit, Yow! Use this position if the rider prefers to spin at higher cadences. They also have 7-speed and 3-speed options. 4. Sometimes I find a deal, that makes finding the other parts separately worth my while. Shimano Nexus 3 Speed Internal Rear Hub. 0000005348 00000 n See the article on internal-gear hubs for detailed advice. Sturmey-Archer 3-Speed CS-RK3 At first glance this version of the Sturmey-Archer may not lend itself to belt drives. 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 first thing you do is loosen the lock nut right up against the body of the shifter. Nexus and Alfine 8-speed hubs are nearly identical internally. SHIMANO SERVICE CENTER 0000001260 00000 n The yellow line on the paddle should be between the two yellow arrows. Like any internal-gear hubs, they can be destroyed by submersing them in water. Most other Nexus hubs are similar to the ones described. PRODUCT 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. The shimano 8 speed has a good reputation on mtbforum. Pros- Reliability 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. The 5-speed is covered in the Nexus dealer's manual, linked below. #13 and #14 spoke compatible; FIND A DEALER. The Nexus 3-speed bellcrank is aligned in second gear. 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 This is especially important with a coaster brake, which will become inoperative if the sprocket slips off.