Jun 21, 2019 shifting gears can sometimes take some time getting used to. Shimano alfinenexus internal gear hub parts sg700 rotor spacer alfine sg700 close. The table of contents below is a clickable image map. Single speed to multispeed conversion with internal gear hub. Get free shimano 8 manual the components themselves using the dealers manuals. Today, were going to work on internal multi speed hubs. Important notice 5 important notice this dealers manual is intended primarily for use by professional bicycle mechanics. 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. The shimano inter7 hub dealers manualuser manual page makes many of the nexus sg7c21, coaster brake, axle assembly rebuilding instructions in technical information about.
Universal cycles shimano alfinenexus internal gear hub. 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. This was originally paired with a shimano sb7s40 brake levertwist gear shifter combo unit. Shimano nexus sg7r50 7 speed roller brake internally geared hubs product details. Instructions manual inter 3 shifter installation nexus inter 3 internal gear hub shifter installation manual for mn273, dn353, dn853. The duraace, shimanos flagship components in the racing world, always adopts our latest cuttingedge technologies like the di2. Nexus sg7c26 bicycle accessories pdf manual download. 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. This is the most common 3 speed internal gear coaster hub on new bikes. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8speed. Bicycles stack exchange is a question and answer site for people who build and repair bicycles, people who train cycling, or commute on bicycles. Shimano nexus sl7s50 internally geared hub shifter includes shifter, 1280mm shift cable with housing and cable fixing bolt unit for cjnx40 cassette joint 22.
Dec 30, 2014 in this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. This is the most common 3speed internal gear coaster hub on new bikes. How to shift gears on a bike 3 speeds, 7 speeds, 21 speed. There are other nexus7 hubs that seem exactly the same, e. Manual inter 3 shifter installation nexus inter 3 internal gear hub.
Alfine is a highend product line with 8 and 11speed hubs. More info please its a shimano nexus or alfine 7 speed hub. 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 sg7c16 7speed coaster brake parts list one of 3 versions of the shimano nexus. When adjusting the shimano seven speed derailleur, the rear derailleur is. Description shimano nexus 7 speed coaster brake hub. There are different types of gear shifters, twist shifters, trigger shifters and even a pedal backwards shifter. Shimano sg7c16 and sg7c18 owners manual vancruisers.
The maintenance schedule for the nexus 8 speed is every 5000 km or 2 years, which ever comes first i believe. Page 1 shimano nexus 7speed hub sg7c26 service manual vol. 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. Shimano nexus 8 speed hub reassembly putting it back together. 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. General information on installation and adjustment of newer shimano nexus 7speed hubs is in the dealers manual. Screwdriver left before carrying out disassembly, have ready tl7s20 right the hub spannerstl7s20. 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. In this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. There are other nexus 7 hubs that seem exactly the same, e. Nexus 7 speed install the classic and antique bicycle. 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. Read the warning about mechanical work before performing any mechanical work on your bicycle.
How to adjust the shimano 7 speed derailleur gone outdoors. Hubs med en samlet udvekslingsforhold mellem 200% og. Shimano nexus twist shifter for 8 speed internally geared hubs product details. Technical information about shimano nexus 7speed internalgear hubs. Nexus inter8 shimano view and download shimano nexus inter8 dealers manual online. The shimano inter7 hub dealers manualuser manual page makes many of the. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the. Place righthand dust cap onto the driver on the right side of the hub body. For optimal functionality and extension of maximum reliability. Should be between two marks on a window, when in the lowest hardest gear. Shimano nexus twist shifter for 8speed internally geared hubs product details.
The di2 digital integrated intelligence, which was developed to enhance the potential of components by fusion with electronic. Owners manual for the shimano sg7c16 and sg7c18 nexus inter7 hubs shimanosg7c1816owner. This manual describes complete disassembly and assembly of the shimano. View and download shimano nexus inter8 dealers manual online. Nexus inter8 bicycle accessories pdf manual download. Nexus inter 8 shimano, nexus inter 8 2 contents models this. Shimano 7 speed hubs have a overlocknut spacing from 127 to mm, as sold. 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. I was giving the bike a good spring cleaning when i noticed the rear wheel has a crack. Shifting gears can sometimes take some time getting used to.
Service, manual, shimano, nexus, avantum, www read. Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. 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. 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. 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. Owners manual for the shimano nexus inter3 coaster brake sg3c41. Everything looks like the nexus stuff posted on the internet. If you bring us your bike we can preemptivly weatherize your hub and. When replacing parts, replace the whole internal assembly or unit part. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second.
Shimano nexus 3 owners manual shimano sg7c16 7speed coaster brake parts list. More on my installation dilemma, i cant find the name nexus anywhere on this hub. What it is marked is shimano inter m and some small numbers brim41r. General information on installation and adjustment of newer shimano nexus 7 speed hubs is in the dealers manual. The crack is right where the vertical side break friction area curves over to form the inside of the wheel. Life expectancy of a shimano nexus 8speed hub bikejournal. Have you checked the indicator for the change wire. By adjusting the derailleur, the rider gets to shift effortlessly between these toothed gears. Shimano alfinenexus internal gear hub parts universal cycles. Neither the shop nor shimano used enough grease and oil for nw weather. Access free shimano nexus 3 manual espa ol parts, replace the whole internal assembly or unit part.
Shimano nexus sg7r50 7speed roller brake internally geared hubs product details. Shimano sg7c16 7 speed coaster brake parts list one of 3 versions of the shimano nexus. Shimano nexus 7s50 7speed rapidfire shifter modern bike. 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. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. To perform maintenance on the 3, 7, 8speed nexus and 8speed alfine hubs, the internal unit first needs to. This manual describes complete disassembly and assembly of the shimano nexus 7. Upgrade your ride with this easy to install, smooth, and durable shimano 7 speed wheel set. Shimano nexus 7 speed hub shifter compatibility lfgss. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals. If any part of the information on the manual is unclear to you, do not proceed with the installation. The shifting mechanism is enclosed, keeping the shifting system lubricated for low maintenance. 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. It also includes shimanos optical gear display, which shows riders what gear position is selected while riding.
Internal gear hubs edit shimano nexus inter 3 hub laced with spokes and mounted on a bicycle. Hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. These instructions explain how to inspect, adjust, and lubricate a shimano nexus internal shift system, either 4, 7, or 8 speed. View and download shimano nexus sg7c26 service manual online. 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. Remove the lock nut for left hand cone and the left hand cone with dust cap from the hub axle. How to shift gears on a bike 3 speeds, 7 speeds, 21. If you have not had any maintenance in your 5 years this is likely the culprit for decreased performance.
Hold the two bevelled surfaces of the hub axle on the sprocket side in a. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of. Shimano nexus sg8r20 8speed internally geared hub with roller brake this hub was ridden less than one year in seattle. It is the nexus model, which is written on the body. How to adjust a shimano nexus internal 3 speed hub thebiketube. 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 7speed hub sg7r46 service manual, vol.
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