More on my installation dilemma, i cant find the name nexus anywhere on this hub. Shimano nexus twist shifter for 8speed internally geared hubs product details. Remove the lock nut for left hand cone and the left hand cone with dust cap from the hub axle. Internal gear hubs edit shimano nexus inter 3 hub laced with spokes and mounted on a bicycle. Mar 05, 2019 shimano nexus sl7s50 internally geared hub shifter includes shifter, 1280mm shift cable with housing and cable fixing bolt unit for cjnx40 cassette joint 22. Shimano alfinenexus internal gear hub parts universal cycles. There are different types of gear shifters, twist shifters, trigger shifters and even a pedal backwards shifter. Nexus inter8 shimano view and download shimano nexus inter8 dealers manual online. There are other nexus 7 hubs that seem exactly the same, e. Shimano sg7c16 7 speed coaster brake parts list one of 3 versions of the shimano nexus.
Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. Jun 21, 2019 shifting gears can sometimes take some time getting used to. Life expectancy of a shimano nexus 8speed hub bikejournal. View and download shimano nexus sg7c26 service manual online. The lever features a loweffort rotational shift action that doesnt depend on finger strength and allows riders to keep their hands on the handlebar while shifting. When replacing parts, replace the whole internal assembly or unit part. Read the warning about mechanical work before performing any mechanical work on your bicycle. When adjusting the shimano seven speed derailleur, the rear derailleur is. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8speed. Shimano 7 speed hubs have a overlocknut spacing from 127 to mm, as sold.
Hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. Nexus 7 speed install the classic and antique bicycle. 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. Above all, the optimality of repair and maintenance parts holds the key to it. I just bought a new bike today first new one in twenty years, only the second in my life and the shimano nexus 7 hub was the determining factor. Important notice 5 important notice this dealers manual is intended primarily for use by professional bicycle mechanics. Screwdriver left before carrying out disassembly, have ready tl7s20 right the hub spannerstl7s20. Service, manual, shimano, nexus, avantum, www read. Should be between two marks on a window, when in the lowest hardest gear. The table of contents below is a clickable image map. This is the most common 3speed internal gear coaster hub on new bikes. Shimano nexus sl7s50 internally geared hub shifter includes shifter, 1280mm shift cable with housing and cable fixing bolt unit for cjnx40 cassette joint 22. Instructions manual inter 3 shifter installation nexus inter 3 internal gear hub shifter installation manual for mn273, dn353, dn853. Owners manual for the shimano nexus inter3 coaster brake sg3c41.
Get free shimano 8 manual the components themselves using the dealers manuals. The crack is right where the vertical side break friction area curves over to form the inside of the wheel. The shimano inter7 hub dealers manualuser manual page makes many of the. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. The shimano rear derailleur is made to service either a seven or eight speed cassette the toothed metal cluster of rings found off the rear wheel. Shimano 7speed hubs have a overlocknut spacing from 127 to mm, as sold. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of. How to adjust the shimano 7 speed derailleur gone outdoors. If you bring us your bike we can preemptivly weatherize your hub and. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second. 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. Dec 30, 2014 in this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. Hi all, i just picked up a bike which came with a 7 speed shimano hub gear with coaster brake, a shimano nexus sg7c22 inter 7 hub.
Page 1 shimano nexus 7speed hub sg7c26 service manual vol. Shimano nexus 3 owners manual shimano sg7c16 7speed coaster brake parts list. Description shimano nexus 7 speed coaster brake hub. This manual describes complete disassembly and assembly of the shimano. The di2 digital integrated intelligence, which was developed to enhance the potential of components by fusion with electronic. Neither the shop nor shimano used enough grease and oil for nw weather. Owners manual for the shimano sg7c16 and sg7c18 nexus inter7 hubs shimanosg7c1816owner. Shimano nexus sg7r50 7 speed roller brake internally geared hubs product details. I was giving the bike a good spring cleaning when i noticed the rear wheel has a crack. Nexus sg7c26 bicycle accessories pdf manual download. The series is primarily aimed at the comfort market such as urban commuters and tourers, and as such is not made to withstand the rigours of offroad or mountain biking. How to shift gears on a bike 3 speeds, 7 speeds, 21.
Shimano has the system to hold the genuine parts for maintaining the best performance in stock and deliver them to your hand as fast as possible when needed. The di2 digital integrated intelligence, which was developed to enhance the potential of components by fusion with electronic devices, has dramatically improved shifting speed and accuracy. 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. Shimano nexus twist shifter for 8 speed internally geared hubs product details. Alfine is a highend product line with 8 and 11speed hubs. It offers higher performance and more comfort with the advanced straight fork blades, powerful vbrakes for sure stopping in nearly any conditions, internal no hassle gearing, and wide tires fit. Access free shimano nexus 3 manual espa ol parts, replace the whole internal assembly or unit part. Shimano nexus 8 speed hub reassembly putting it back together. This is the most common 3 speed internal gear coaster hub on new bikes. Have you checked the indicator for the change wire. Hold the two bevelled surfaces of the hub axle on the sprocket side in a. By november 2006, the nexus range came in several ranges inter 3, inter 7 and inter 8 providing 3, 7 and 8 speed models respectively.
The shimano inter7 hub dealers manualuser manual page makes many of the nexus sg7c21, coaster brake, axle assembly rebuilding instructions in technical information about shimano nexus 7speed internalgear hubs. Universal cycles shimano alfinenexus internal gear hub. If you have not had any maintenance in your 5 years this is likely the culprit for decreased performance. Shimano nexus sg8r20 8speed internally geared hub with roller brake this hub was ridden less than one year in seattle. View and download shimano nexus inter8 dealers manual online. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals.
More info please its a shimano nexus or alfine 7 speed hub. There are other nexus7 hubs that seem exactly the same, e. Upgrade your ride with this easy to install, smooth, and durable shimano 7 speed wheel set. Shimano alfinenexus internal gear hub parts sg700 rotor spacer alfine sg700 close. Technical information about shimano nexus 7speed internalgear hubs. Shifting gears can sometimes take some time getting used to. If any part of the information on the manual is unclear to you, do not proceed with the installation. It is the nexus model, which is written on the body. In this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. This manual describes complete disassembly and assembly of the shimano nexus 7. Shimano nexus sg7r50 7speed roller brake internally geared hubs product details. The slc3000 shift lever is compatible with the shimano nexus inter7 internal geared hub. What it is marked is shimano inter m and some small numbers brim41r.
Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. General information on installation and adjustment of newer shimano nexus 7 speed hubs is in the dealers manual. Install a rear wheel with a shimano 3 speed internal shifter and. Install a rear wheel with a shimano nexus 3 speed internal shifter and coaster brake. Shimano nexus 7s50 7speed rapidfire shifter modern bike. Today, were going to work on internal multi speed hubs.
How to adjust a shimano nexus internal 3 speed hub thebiketube. Shimano sg7c16 7speed coaster brake parts list one of 3 versions of the shimano nexus. By adjusting the derailleur, the rider gets to shift effortlessly between these toothed gears. To perform maintenance on the 3, 7, 8speed nexus and 8speed alfine hubs, the internal unit first needs to. This was originally paired with a shimano sb7s40 brake levertwist gear shifter combo unit. 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 7speed hub sg7r46 service manual, vol. Shimano nexus is a brand of bicycle components which includes products such as epicyclical gear hubs, cranksets, shifters, brake levers, hub brakes, hub dynamos, and a cpu for automatically changing gears.
Bicycles stack exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. The maintenance schedule for the nexus 8 speed is every 5000 km or 2 years, which ever comes first i believe. The shimano inter7 hub dealers manualuser manual page makes many of the nexus sg7c21, coaster brake, axle assembly rebuilding instructions in technical information about. Nexus inter 8 shimano, nexus inter 8 2 contents models this. How to shift gears on a bike 3 speeds, 7 speeds, 21 speed. For optimal functionality and extension of maximum reliability. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8 speed. Shimano nexus 7 speed hub shifter compatibility lfgss. It also includes shimanos optical gear display, which shows riders what gear position is selected while riding.
Nexus inter8 bicycle accessories pdf manual download. The shifter is damaged beyond repair though and ive found an exact replacement, but my question is can i use a different 7 speed nexus shifter with this specific hub. Everything looks like the nexus stuff posted on the internet. The duraace, shimanos flagship components in the racing world, always adopts our latest cuttingedge technologies like the di2. As you are aware, consistent maintenance is critical to the bike performance. Shimano sg7c16 and sg7c18 owners manual vancruisers. Hubs med en samlet udvekslingsforhold mellem 200% og. Single speed to multispeed conversion with internal gear hub. Place righthand dust cap onto the driver on the right side of the hub body. The slc3000 shift lever is compatible with the shimano nexus inter 7 internal geared hub. Manual inter 3 shifter installation nexus inter 3 internal gear hub. General information on installation and adjustment of newer shimano nexus 7speed hubs is in the dealers manual.
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