It's published 10 times a year with a circulation of approximately 3,5 million copies. 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.. 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 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. 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. 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. 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. Hi Akash, during the pandemic there was definitely a shortage of options as people were buying them up to upgrade their bikes. Just lined up 2nd gear and away she went, shifting faster, crisper and better than the Nexus twist shifter. 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. 0000004954 00000 n 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. %%EOF 31 17 18 Internal Hub Grease 19 (For coaster brake also) 1 16 . COMPONENT I installed this IGH on my Sun Kiss build and was very happy with the final results, although it took some work and a lot of head banging to get there. This is the Shimano shifter. 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. Shimano 3-Speed Coaster Brake, 36H, CB, Sil 3 speed internally geared hub with integrated coaster brake Corrosion resistant coating Axle length 168mm Use: RR Gears: 3s Int Spoke Count: 36H read more Shimano ASG3C41A2068DX Ships Free Currently Sold Out your price $89.98 + ships free Info Shimano Nexus SG-C3001-7R, 36H, RB, Sil Read those articles along with this one. Coaster Brake. Your direction, destination, time, speed, but it's not a freebie, you have to pedal for it. 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. File only the bottom of the slots, so you can be sure that the axle sits straight. Alfine hubs have an overlocknut spacing of 135 mm and a Shimano CenterLock disc-brake fitting. Sturmey-Archer circlips, made of round cross-section wire, are easier to install than the Shimano ones with a square cross-section. The Rollerbrake is a separate module, and when you buy the hub it is not even installed. You need two tools: an open end 10 mm wrench and you may also need a pair of pliers. But at second glance you realize it can be paired with VEER's Split Belt to solve one of belt drive's biggest issues, belt alignment. Shimano SG-3D55 3-speed hub with disc brake. My review: The yellow line on the paddle should be between the two yellow arrows. You may check your work using an anti-rotation washer: if the tab of the washer fits, the axle will fit. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. For more-detailed advice on installation of sprockets and setting the gear range, see the section on sprockets in the main article on internal-gear hubs. Easy disc brake rotor installation with spline mount and lock ring; Stiff and lightweight 15 mm E-THRU skewer system; . Other than that, installation is similar to that of other cassette joints. As mentioned, the two regular over-run ratchets are still in place. In some cases, it is possible to convert an existing bicycle to the use of a Nexus hub. If there is no Rollerbrake installed, the overlocknut spacing can be smaller, down to about 124 mm, using a thinner locknut. Shopping List:Retrospec Harper Bike http://bit.ly/3pqgfWTNexus 3-Speed https://amzn.to/3s0cyJ0Spoke Wrench https://amzn.to/3u3diisWheel Truing Stand https://amzn.to/37jrgTNBike Repair Stand https://amzn.to/37mQsbT, Related Videos:Harper Coaster Unboxing https://www.diwhy.life/retrospec-harper-bike-review/Build a Bicycle Wheel https://youtu.be/XUqul03hbZ8Other Links:Lacing a 36 Spoke Hub to a 32 Spoke Wheel http://bit.ly/3u3g5Is. 0000032627 00000 n Manage Settings Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? 0000003845 00000 n TL-HS10 (14 mm) The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. Some hubs use electrical ("Di2") shifting, with a motor unit between the right-side dropout and sprocket. It could be that you have a kink or rough spot in your shift cable housing. In addition to juhist's answer: Re-greasing the hub is possible, but messy. 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. The failure of a 333 hub launched my wheelbuilding career. Best Bike Trails | > More information about oil lubrication is in the main file about internal-gear hubs. I suppose that could be called a blessing in disguise. 0000008907 00000 n (Most frames can flex about .5" to fit) 3. I'd dig around in all the parts to see if they were put in a safe place. It does the job, but will not lock the wheel up. A reader, Albert van Dalen, suggests a simpler solution: drilling an oil hole in the hub shell and covering it with duct tape. 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. The 11-speed is oil-lubricated. Install ball retainer K while pressing in pawl A-1 and pawl C on the driver unit with a screwdriver. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake. Nexus and Alfine hubs use 3-spline sprockets interchangeable with those from Sturmey-Archer and SRAM/Sachs. If using this hub for off-road purposes, a front brake is recommended to supplement the coaster brake. Inter 3 - This hub has three speeds with 36% intervals and an overall gear range of 186%. THIS WEBSITE USES COOKIES TO IMPROVE YOUR USER EXPERIENCE. Singletracks Merch | 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. 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. Stage 2: Developing country of [insert name here] decides to move into higher-quality, higher-value production. 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. For either purpose, the low gear is still not low enough for anything but tiny inclines. Shimano Nexus Inter 3 hub laced with spokes and mounted on a bicycle. PRODUCT That is the lowest gear for some hubs, the highest for others. Please make sure that there is adequate spacing. That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. Quality control and design improve, often benefiting from the advice of partners in more developed countries. 0000002689 00000 n Internal Geared Hub. SHIMANO SERVICE CENTER 6 0 obj <> endobj Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. SHIMANO CODE NO. Stage 4: [insert name here]'s high wages and shifting exchange rates begin to erode the competitive pricing advantage formerly enjoyed. The 5-speed is covered in the Nexus dealer's manual, linked below. Some high-end production for the domestic market may continue. The comparable SRAM 3spd hub w/ coaster brake weighs in at 1390g, or 3lbs. 9 mm) 4 Y33R90700 Carrier Unit 5 Y33R90800 Ring Gear Unit Oil lubrication, with waterproof grease for the outer bearings, avoids this problem and also allows replenishment of the lubricant without dismantling the hub. . It depends where it was bought, but usually you get the cog and dust cover. See the separate articles on this site about disc brakes, coaster brakes and Rollerbrakes. Best MTB Gear | 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. It should also not be taken as a general indictment of Shimano's internal-gear hubs. Looks like this right now (no mounting hardware, cog or shift mechanism.). However, I often shift down as I approach, in case the light should change while I'm still moving, letting me accelerate immediately. 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. NEXUS 3-speed Hub w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. Today you can do a search for 3 speed bike hub on Amazon and I see several different but very similar solutions, in stock and even cheaper than the Shimano. NEXUS 3 SPEED COASTER HUB PARTS SHIMANO SG-3C41. 4. Any good bicycle mechanic will be able to do this, or you can do it yourself. https://www.sturmey-archer.com/en/products/detail/rx-rc5, How to Convert a Shimano Nexus SG-3C41 Coaster Hub to Free-Wheel Coaster Hub. Thank for helping in finding the Shimano nexus 3 gear hub. The failure mode of the 333 hub is also different from Sturmey-Archers'. When an older Shimano 3-speed hub fails, it is most often because one of the under-engineered pawls has shattered. 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. Stage 5: Increasing quality and pricing make [insert name here]'s products un-competitive with lower-wage developing [Other Developing Country]'s output. Older bicycles are typically narrower than that. NEXUS INTER3, SHIMANO SERVICE CENTERS The diameter of the hub was smaller, and so stresses on the internal parts were higher. That makes it easy to clean the inside of the adjustment mark view window. I don't know what you've 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 circlip snaps on, also most easily by levering it into position with a flat-blade screwdriver. 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