This is the most common 3speed internal gear coaster hub on new bikes. When replacing parts, replace the whole internal assembly or unit part. Gears shimano altus 7 speed, nexus 3 speed internal hub gear. Shimano nexus internal geared hub coaster brake 3speed. Also, for carrying out maintenance, the use of shimano internal geared hub grease or a lubrication kit is recommended. The table of contents below is a clickable image map. Id like to get it 5mm however if possible to help with the chainline currently at 42. Products are not guaranteed against natural wear and deterioration from normal use and aging. In this video we show you how to adjust the gears on a shimano nexus 7 hub. I suppose that the shimano maintenance oil is just the fluid version. Shimano nexus inter 7 model sg7r40 shimano roller brake inter m shimano nexus 7 speed shifter st7s60 the spacing look to be mm and my frame is 5mm, but using a old shimano rapidrise rd sandwich between the locknut and dropout i get it right on. General information on installation and adjustment of newer shimano nexus 7 speed hubs is in the dealers manual.
Total electric power system 56 pages bicycle accessories shimano deore xt technical. Get the best deals on shimano universal 38 inch hubs when you shop the largest online selection at. C6000 series the nexus 8speed system delivers a high level of design, quality and function. Take note of every piece you remove, direction etc. In that time its been ridden almost everyday of the week in all weathers, in particular through a very snowy winter period when temperatures were down to 9 at times. There are other nexus7 hubs that seem exactly the same, e. This manual describes complete disassembly and assembly of the shimano nexus 7 speed hub sg7r45 inter7. For maximum performance we highly recommend shimano lubricants and maintenance products. Today, were going to work on internal multi speed hubs. Users manuals are describing safety information and procedures for consumers, dealers manual are describing how to assemble and adjust the product for primarily professional bicycle mechanics. I suspect nexus 8 hubs will last decades if given a little bit of maintenance every couple of years. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. Im not sure if im imagining it, but it seems like my bike has lost a considerable amount of. If any part of the information on the manual is unclear to you, do not proceed with the installation.
In the basic instructions below we show the main points for attention. Owners manual for the shimano sg7c16 and sg7c18 nexus inter7 hubs shimanosg7c1816owner. Hold the two bevelled surfaces of the hub axle on the brake arm side in a vice and remove the dust cap with a screwdriver. Shimano sg7c16 and sg7c18 owners manual vancruisers. Shimano hub gear spares hub spares wheels sjs cycles. Upgrade your ride with this easy to install, smooth, and durable shimano 7 speed wheel set. This dealers manual is intended primarily for use by professional bicycle mechanics. General information on installation and adjustment of newer shimano nexus 7speed hubs is in the dealers manual. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. For the most part, the unit is sealed off the elements, you can use them in a belt drive system, they shift really fast, etc. I ride a 5 year old commuter bike with a shimano nexus 8 internal hub gear, thats done about 20,000km. Exploded diagram and parts list for the shimano nexus 3speed coaster brake sg3c41 shimano nexus 3 owners manual owners manual for the shimano nexus inter3 coaster brake sg3c41.
Shimano nexus sg7r46 7speed axle assembly if you have taken yours appart or it came appart as it often does during an overhaul, then, fear not. In this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. Shimano nexus sgc30007r 7speed internally geared 36h. Um37g0a00000 users manual if the brake is used frequently, the. How to install a shifting cable to a shimano nexus 7 speed. If shimano grease or a shimano lubrication kit is not used, problems such as a malfunction in gear shifting may occur. What is the difference between the standard sg8r20 and the premium inter8 sg8r25. Shimano nexus sg7r50 7speed roller brake internally geared hubsrecommended gear ratio. Nexus 7speed hub service manual find the cheap shimano nexus 8 speed hub service manual, find the best shimano 3.
Shimano internal gear hub service aarons bicycle repair. Brakes tektro, disc, caliper, nexus roller brake on rear of 3 speed bike. Did you know that your inter8 loves to bathe in oil. The shimano rear derailleur is made to service either a seven or eightspeed cassette the toothed metal cluster of rings found off the rear wheel. The procedure is relatively straight forward, and if you use widely available atf fluid, it can be very cheap too. Shimano nexus inter8 hub w 700c wheel, cj8s20 cassette joint unit and washers. This manual describes complete disassembly and assembly of the shimano nexus 7. Shimano nexus 8speed hub service manual sheldon brown. Forks zoom, suntour suspension aluminum alloy double crown. Shimano nexus internal geared rear hub coaster brake o. Or, if you need to clean the insides after water has entered the hub. Disconnecting the shifting cable when removing the rear wheel from the frame.
Alfine hubs feature fancy features including optional hydraulic disc brakes and electronic shifting. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second. Do shimano nexus hubs lose efficiency as they get older. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket. How to convert a shimano alfine 8 speed internal gear hub. There are instructions on the sheldon brown website.
Alfine is a highend product line with 8 and 11speed hubs. Shimano nexus 8 speed internally geared hub with roller brake. View and download shimano nexus service instructions manual online. Hello everyone and sorry for my english, i am trying to fix a bike which has no shifter on the handlebar and on the back wheel has a shimano nexus sg7c25 7 speed, i am trying to figure out how to install a cable so i can change gears with a shifter that i will buy.
Make sure this fits by entering your model number shimano nexus 7 speed sg7c18 internal hub w coaster brake. Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. View shimanos manufacturing technologies, enthusiasm for design and craftsmanship, ir information, recruitment information, and social activities. As the name suggests, there are eight gears packed into a hub weighing about 1. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance. Many technical advances have been achieved, like incorporating shimanos unique gear change support mechanism that makes a real low effort shifting. Shimano nexus 7 shifter replacement problem bikeride forum. The table links to current shimano documents, but also to documents generated outside shimano, or which shimano no longer offers. It is important to keep the shifter aligned on those little yellow lines on the rear hub, because if you ride it unaligned, the gears will not wear evenly in the middle of the gears. If seo wizardry works its magic, then you probably stumbled across this page because youre looking for information on the shimano nexus 3 sg3c40 internal geared hub. Bicycle accessories shimano nexus sg7c26 service manual.
Click here and find out the manuals of shimano products, technical information, safety data sheet of grease and so on. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8speed. This is a useful procedure if your hub is showing some resistance. The most comprehensive range of quality cycle components, spares and accessories in the world with global delivery. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals. 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. Hold the two bevelled surfaces of the hub axle on the sprocket. Here i explain with pictures the stepbystep procedure for converting the shimano alfine 8speed hub to an oil bath, using atf fluid.
Remove ball retainer k while pressing in pawl a1 and pawl c on the driver unit a screwdriver. At youll find a wide choice of highquality shimano hub parts. Shimano sg7c16 7speed coaster brake parts list one of 3 versions of the shimano nexus. If your local bicycle shop wont work on your hub then we will. The most sold internal geared hub in the world is now online on hubstripping with a lot of top secret informations. Nexus inter8 bicycle accessories pdf manual download. We have 1 shimano nexus inter7 manual available for free pdf download. Shimano nexus service instructions manual pdf download. Screwdriver left before carrying out disassembly, have ready tl7s20 right the hub spannerstl7s20. By adjusting the derailleur, the rider gets to shift effortlessly between these toothed gears. Shimano nexus 7speed hub whipower roller brake inter7 hub brim41r interm brake. View online or download shimano nexus inter 7 dealers manual.189 99 1139 1007 228 540 1485 1572 1466 850 622 1142 672 1310 1283 256 1290 1166 682 1448 444 1039 469 1643 1594 619 106 774 540 682 1299 1015 100 1227 424 1237