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. It should also not be taken as a general indictment of Shimano's internal-gear hubs. Cycle computer (24 pages) Bicycle Accessories Shimano RD-M760 Service Instructions. That makes it easy to clean the inside of the adjustment mark view window. 0000056509 00000 n
Sturmey-Archer 3-Speed CS-RK3 At first glance this version of the Sturmey-Archer may not lend itself to belt drives. Sprocket and sprocket circlip are installed before the cassette joint parts. Read those articles along with this one. 3. With the 8-speed, however, the marks you need to line up are yellow, not red. 9 mm) 4 Y33R90700 Carrier Unit 5 Y33R90800 Ring Gear Unit 0000103562 00000 n
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Gates carbon-fiber belt drive also is available for some Nexus and Alfine hubs. SG-3D55. NEXUS INTER3 Install the ball retainer P (3/16"X13). SG-3C41, SHIMANO NEXUS - Internal Geared Rear Hub - Coaster Brake - O.L.D. Continue with Recommended Cookies, This article gathers information common to many models of Shimano internal-gear hubs. Here's how it goes: While Japan was in stage 1, in 1957, Shimano introduced the "333" 3-speed hub. File only the lower edge of the dropout slots, to avoid disturbing wheel alignment. The yellow line on the paddle should be between the two yellow arrows. Today, were going to work on internal multi speed hubs. Sheldon Brown's Nexus Raleigh International. This is normally a right-side washer (so, the "R") but is shown on the left side in the documentation of this hub. #1 out of 0 Brand: Shimano I Have One! The cassette joint is installed either of two ways, so the red dots line up. The ring clips come in rounded or squared spring wire, either will work. Quality control and design improve, often benefiting from the advice of partners in more developed countries. Mid-Drive Motor & Mechanical 9 Speed Drivetrain - What Gear to Engage, & When? 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. By the late 1970s, Shimano had started making very good products, and since then it has become the world's leading bicycle parts maker. If there is no photo then it didn't happen, so I will include some builds. A bike is freedom. <]/Prev 250097>>
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. 7-speed hub (12 pages) Bicycle Accessories Shimano SC-M500 User Manual. 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. When the 16GB Nexus 7 gets to about 3GB of storage space left, it begins to slow down. Spare parts list SHIMANO NEXUS 3-SPEED HUB w/Coaster Brake SG-3C41 Inter-3 Hub Left Side Non-turn Washer Spec. SHIMANO SERVICE CENTER SHIMANO CODE NO. Manage Settings 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 $78.50 Component categories and series of GRAVEL, Component categories and series of LIFESTYLE, Component categories and series of E-BIKE, Your smartphone to cycling computer on the bike, SHIMANO bicycle ride data collection/analysis service, SHIMANO AGAINST THE TAMPERING WITH E-BIKES, California Transparency in Supply Chain Act. > During the Thanksgiving break, I made my first visit to the Bicycle Exchange (hallowed be its memory) in Cambridge, Massachusetts, returning with a Raleigh-pattern rim and 40 spokes to lace to a Sturmey-Archer AW hub which I had salvaged from a trash pile. It is the Nexus model, which is written on the body. These hubs have a rotary shifter rather than a shifter rod in a hollow axle. Copyright 2012-2022 EBR Electric Bike Review, Inc. Also operating under the name EBR. The best information available on these hubs -- including comparative parts lists -- is in Sutherland's Handbook of Coaster Brakes and Internally-Geared Hubs, which is now online on this site. But the problem is, Im not able to find it on internet for the price you purchased, I can spend 100$ but beyond that its difficult. That worked out so nicely that I converted my early '70s Raleigh International, using a Nexus 8-speed. It was in many ways an innovative design, and managed to avoid infringing on Sturmey-Archer's patents, but it had problems. 0000002084 00000 n
Shimano Nexus 3-Speed Hub Installation - DIWHY.LIFE. This means the bike will stay in lower, easier pedaling gears longer as the bike picks up speed. More expensive rohloff leaks. 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. 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. A worn chain will run poorly on a new sprocket. Adjustment is made with the shifter in 4th gear for the 4, 7- and 8-speed hubs, 6th gear for the 11-speed hub. Sturmey Archer has a heavy duty 5 speed with coaster brake. Bicycle Accessories Shimano NEXUS SG-7C26 Service Manual. We and our partners use cookies to Store and/or access information on a device. The diameter of the hub was smaller, and so stresses on the internal parts were higher. The first thing you do is loosen the lock nut right up against the body of the shifter. The Rollerbrake also is somewhat prone to overheat, though the newer high-power model is less so, with its finned heat sink. DISCONTINUED PRODUCTS, SHIMANO SERVICE CENTER | MANUALS & TECHNICAL DOCUMENTS | DISCONTINUED PRODUCTS, Privacy Policy | Cookies Preferences | Terms of Use | Legal info. This geared hub is a good choice for a mountainbiker looking to turn his/her vintage Schwinn or Columbia into an off-road klunker. 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. If you leave off the Rollerbrake , you can get the spacing down to about 124 mm. 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. The 5-speed is covered in the Nexus dealer's manual, linked below. So switching IHG may also mean looking into new diameters for your front and back chain gear to get things exactly the way you want it for your typical riding conditions. Before installing the anchor bolt (which Shimano calls the "inner cable fixing bolt unit"), set the shifter in the loosest cable position. HTR@+8sP3f9R Q%Cl(g1vLrr3^kovWmu e%jm@/ Installation instructions for this hub. inside the 333 hub, and I felt odd, uneven resistance when pedaling. 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 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 most counter-clockwise setting will delay shifting. 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. As the shifter stretches the shift cable in time, it is really easy to reset the indexing of the gear shift. 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. It is usually possible to spread the rear triangle of a steel (Cromoly) frame to the needed width. > NEXUS INTER3, SHIMANO SERVICE CENTERS 0000085256 00000 n
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. You must log in or register to reply here. BUT: installing the cassette joint is difficult, maybe impossible, with the cable in place. 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. 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. 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. (The brake unit would get in the way of fitting the spokes through the hub flange, so it has to be installed after the wheel has been built.). Fichtel & Sachs in Germany (now a part of SRAM) has also made reliable internal-gear hubs since early in the 20th Century. Some high-end production for the domestic market may continue. Stage 5: Increasing quality and pricing make [insert name here]'s products un-competitive with lower-wage developing [Other Developing Country]'s output. The failure mode of the 333 hub is also different from Sturmey-Archers'. > JavaScript is disabled. In this video, Ill 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). 2. Older bicycles are typically narrower than that. SG-3C41. 4. For off-road use, multiple chainrings are recommended for versatility and increased climbing power, especially if being fitted to a vintage klunker. Date Submitted: 01/03/2021 06:29 AM. 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 Even if you could find a source of parts, you might not get the correct generation of parts for the particular hub you have. Attachments COMPONENT The 5R and 7L are nearly identical, as are the 5L and 7R, and so these pairs may be interchanged by switching sides. There should be a rubber sealing ring just inside the indentation in the inner face of the motor unit. 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. There are also articles on this site more generally about. Instructions for the 8-speed hub are very similar and begin. It was first noticeable in Japan in the years following WW2. Support Us | Take it for a ride and make sure it shifts properly. In addition to juhist's answer: Re-greasing the hub is possible, but messy. See our Rollerbrake page for information on installing and removing the Rollerbrake. You are using an out of date browser. SG-3R75-B. Sutherland's Handbook for Bicycle Mechanics, 4th edition, includes much of the same information but is now out of print. Use this position if the rider prefers to spin at higher cadences. 0000008907 00000 n
The Nexus 3spd hub is relatively inexpensive, and will afford multiple gear choices on a bike that is unable to mount a standard derailleur. 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. We and our partners use cookies to Store and/or access information on a device. A reader, Albert van Dalen, suggests a simpler solution: drilling an oil hole in the hub shell and covering it with duct tape. Better bike shops may have kept a copy. The consent submitted will only be used for data processing originating from this website. With a reliable, internal 3-speed mechanism, the SHIMANO NEXUS SG-3C41 hub has an integral coaster brake. 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. Cable-operated and hydraulic disc brakes are available. 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. Alfine is a high-end product line with 8 and 11-speed hub. Turn it clockwise to lock it. (B) Right-hand lock nut A