Technical information about shimano nexus 7speed internalgear hubs. Single speed to multispeed conversion with internal gear hub. Hubs med en samlet udvekslingsforhold mellem 200% og. 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. Screwdriver left before carrying out disassembly, have ready tl7s20 right the hub spannerstl7s20. Shimano sg7c16 7 speed coaster brake parts list one of 3 versions of the shimano nexus. Nexus inter 8 shimano, nexus inter 8 2 contents models this. To perform maintenance on the 3, 7, 8speed nexus and 8speed alfine hubs, the internal unit first needs to.
General information on installation and adjustment of newer shimano nexus 7 speed hubs is in the dealers manual. Remove the lock nut for left hand cone and the left hand cone with dust cap from the hub axle. Page 1 shimano nexus 7speed hub sg7c26 service manual vol. The di2 digital integrated intelligence, which was developed to enhance the potential of components by fusion with electronic. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the. There are different types of gear shifters, twist shifters, trigger shifters and even a pedal backwards shifter. The duraace, shimanos flagship components in the racing world, always adopts our latest cuttingedge technologies like the di2. Life expectancy of a shimano nexus 8speed hub bikejournal.
View and download shimano nexus inter8 dealers manual online. 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. More info please its a shimano nexus or alfine 7 speed hub. Instructions manual inter 3 shifter installation nexus inter 3 internal gear hub shifter installation manual for mn273, dn353, dn853. Shimano 7 speed hubs have a overlocknut spacing from 127 to mm, as sold. Read the warning about mechanical work before performing any mechanical work on your bicycle. General information on installation and adjustment of newer shimano nexus 7speed hubs is in the dealers manual. Install a rear wheel with a shimano nexus 3 speed internal shifter and coaster brake. 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. 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. Shimano 7speed hubs have a overlocknut spacing from 127 to mm, as sold. Shimano nexus sg7r50 7 speed roller brake internally geared hubs product details. This is the most common 3 speed internal gear coaster hub on new bikes.
Internal gear hubs edit shimano nexus inter 3 hub laced with spokes and mounted on a bicycle. The shimano inter7 hub dealers manualuser manual page makes many of the. This is the most common 3speed internal gear coaster hub on new bikes. Service, manual, shimano, nexus, avantum, www read. Nexus sg7c26 bicycle accessories pdf manual download. The table of contents below is a clickable image map. If you have not had any maintenance in your 5 years this is likely the culprit for decreased performance. As you are aware, consistent maintenance is critical to the bike performance. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second. This manual describes complete disassembly and assembly of the shimano nexus 7. Important notice 5 important notice this dealers manual is intended primarily for use by professional bicycle mechanics. Alfine is a highend product line with 8 and 11speed hubs. I was giving the bike a good spring cleaning when i noticed the rear wheel has a crack. 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.
View and download shimano nexus sg7c26 service manual online. Shimano alfinenexus internal gear hub parts sg700 rotor spacer alfine sg700 close. 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. Manual inter 3 shifter installation nexus inter 3 internal gear hub. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of. 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. By adjusting the derailleur, the rider gets to shift effortlessly between these toothed gears. Shimano nexus sg8r20 8speed internally geared hub with roller brake this hub was ridden less than one year in seattle. 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. The slc3000 shift lever is compatible with the shimano nexus inter7 internal geared hub. Neither the shop nor shimano used enough grease and oil for nw weather.
It is the nexus model, which is written on the body. Description shimano nexus 7 speed coaster brake hub. How to adjust a shimano nexus internal 3 speed hub thebiketube. How to adjust the shimano 7 speed derailleur gone outdoors. More on my installation dilemma, i cant find the name nexus anywhere on this hub. If any part of the information on the manual is unclear to you, do not proceed with the installation. Everything looks like the nexus stuff posted on the internet. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8 speed. Nexus 7 speed install the classic and antique bicycle.
Above all, the optimality of repair and maintenance parts holds the key to it. Install a rear wheel with a shimano 3 speed internal shifter and. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. The maintenance schedule for the nexus 8 speed is every 5000 km or 2 years, which ever comes first i believe. Shimano nexus sl7s50 internally geared hub shifter includes shifter, 1280mm shift cable with housing and cable fixing bolt unit for cjnx40 cassette joint 22. Owners manual for the shimano nexus inter3 coaster brake sg3c41. Exploded diagram and parts list for the shimano nexus 3 speed coaster brake sg3c41 shimano nexus 3 owners manual owners manual for the shimano nexus inter3 coaster brake sg3c41. Upgrade your ride with this easy to install, smooth, and durable shimano 7 speed wheel set.
Shimano nexus 8 speed hub reassembly putting it back together. 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 twist shifter for 8speed internally geared hubs product details. When adjusting the shimano seven speed derailleur, the rear derailleur is. Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. 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. Place righthand dust cap onto the driver on the right side of the hub body. Hold the two bevelled surfaces of the hub axle on the sprocket side in a. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance.
What it is marked is shimano inter m and some small numbers brim41r. 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. Bicycles stack exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. Universal cycles shimano alfinenexus internal gear hub. Hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. Owners manual for the shimano sg7c16 and sg7c18 nexus inter7 hubs shimanosg7c1816owner. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals. Today, were going to work on internal multi speed hubs. 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 nexus 7speed hub sg7r46 service manual, vol. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8speed.
Jun 21, 2019 shifting gears can sometimes take some time getting used to. The slc3000 shift lever is compatible with the shimano nexus inter 7 internal geared hub. Have you checked the indicator for the change wire. How to shift gears on a bike 3 speeds, 7 speeds, 21. In this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. Shimano nexus sg7r50 7speed roller brake internally geared hubs product details. How to shift gears on a bike 3 speeds, 7 speeds, 21 speed. Shimano nexus twist shifter for 8 speed internally geared hubs product details. Shimano nexus 3 owners manual shimano sg7c16 7speed coaster brake parts list. 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. Access free shimano nexus 3 manual espa ol parts, replace the whole internal assembly or unit part.
Nexus inter8 bicycle accessories pdf manual download. It also includes shimanos optical gear display, which shows riders what gear position is selected while riding. The crack is right where the vertical side break friction area curves over to form the inside of the wheel. Get free shimano 8 manual the components themselves using the dealers manuals. For optimal functionality and extension of maximum reliability. 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. 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. Shifting gears can sometimes take some time getting used to. Shimano sg7c16 7speed coaster brake parts list one of 3 versions of the shimano nexus. Dec 30, 2014 in this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. Nexus inter8 shimano view and download shimano nexus inter8 dealers manual online. 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. Shimano nexus 7 speed hub shifter compatibility lfgss. This manual describes complete disassembly and assembly of the shimano.
Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. There are other nexus7 hubs that seem exactly the same, e. Shimano nexus 7s50 7speed rapidfire shifter modern bike. This was originally paired with a shimano sb7s40 brake levertwist gear shifter combo unit. If you bring us your bike we can preemptivly weatherize your hub and. 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. Shimano alfinenexus internal gear hub parts universal cycles. Should be between two marks on a window, when in the lowest hardest gear. 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.
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