I show the process as i remove the old shift cable and install a new cable in a shimano sl rs35 revoshift shifter. English dmcasg00100 nexus sgc6001 sgc6011 sbc6000 8 dealers manual road mtb trekking city touring comfort bike urban sport ebike nexus inter 8. A simple guide to adjusting a shimano nexus hub gear as easy as. It is approved for ebike and non ebike use and is available in black and silver. Jan 28, 2009 well, shimano s eight speed alfine hub, with trigger shifters and disk brake option, gives similar performance to the inter 8 but with less of a weight penalty though more cost and would suit. I recently had the shifter mechanism replaced for my nexus 3 speed and still i cannot get first gear. Shimano nexus sl8s31 8 speed internally geared hub shifters22. Shimano nexus service instructions manual pdf download. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice. Antirotation washers brake types cable adjustment cable installation shifter parts installation general advice hubs covered links. Pro tip nexus 8 speed hub adjustment ebike central. Shimano nexus revoshift shift lever for inter8 hub the slc6000 shift lever is compatible with the shimano nexus inter 8 internal geared hub. This dealers manual is intended primarily for use by professional bicycle mechanics. Shimano nexus internal geared hub coaster brake 8speed.
The hub has a builtin mechanism that supports gear shifting. Remove ball retainer k while pressing in pawl a1 and pawl c on the driver unit a screwdriver. A wide variety of nexus 8 speed options are available to. English dmsl000203 dealers manual revoshift shifter slrs47 slrs45 slrs36 slrs35 slrs34 slrs25. Dualdiameter shift collar allows any hand size to get a secure grip on the shift collar. Internal gear hub shifter installation manual for dn85 8, dn857. This maintains the clean lines of the boston, provides perfect gearing for city hills, and keeps the salt and sand out of your gears so you can just enjoy the ride on your folding bike.
Dealers manual thumb shifter plusthumb shifter thumb shifter plus slft55 sltx50. Selling a used shimano nexus 8 speed hub laced to 700c sunrims cr18 wheel. For maximum performance we highly recommend shimano lubricants and maintenance products. Easy and reliable shifting is good for average riders and beginners. Alfine is a highend product line with a shimano centerlock discbrake fitting rather than the rollerbrake fitting of the nexus hubs. Shimano nexus 7 speed hub whipower roller brake inter7 hub brim41r interm brake. Shimano sgs501 alfine 8 speed hub this hub was used for about 3 years. Summary of contents for shimano nexus page 1 si7bf0b service instructions.
In the early 2000s the 8 speed nexus hub gear was introduced, having two stepped planetary series mounted downstream of each other. Shimano sg3d55 universal hub kit nexus 32h 3 speed centerlock disc 4. 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. Shimano nexus and alfine eight speed internalgear hubs. Shimano nexus 8speed bicycle hub service manualpage 12. Lightly used right side 8 speed trigger shifter brake combo for the shimano inter8 nexus hub. Turn the axle unit with driver unit upside down and hold the two bevelled surfaces of the axle in a vice. Shimano sg3d55 3 speed hub with disc brake the current 2017 generation of shimano 3 speed internalgear hubs is available with a coaster brake or with an optional external rollerbrake or disc brake. View and download shimano sg8r20 service instructions online. In the basic instructions below we show the main points for attention.
Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. Shimano sg8r20 service instructions pdf download manualslib. Shimano alfine internal geared hub disc brake 8speed. Alfine hubs feature fancy features including optional hydraulic disc brakes and electronic shifting. Replacing shifter cable for shimano nexus revo shift 8. Dealers manual shifting lever rapidfire plus shimano. Shimano nexus 8speed revo pavement bicycle shift lever. The wheel was used for about miles but still has a lot of life left. The table of contents below is a clickable image map. The shimano nexus group combines the best features of your old 3 speed, and eliminates the worst, thanks to modern materials and technology. If you are looking for parts for these hubs contact us.
Shimano published a nexus dealer s manual now archived, with most of the needed information about nexus 5, 7 and 8speed hubs. How to setup and adjust a shimano nexus inter 8 hub gear bicycle. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the. Nexus 8 speed, nexus 8 speed suppliers and manufacturers. A cheaper but heavier at 96 grams alternative to the original design. Compact twist type shifter with gear indicator for nexus inter 8. Shimano nexus 8speed hub service manual sheldon brown. When installing the right hand cone, adjust two serration as shown in the picture. The jtek bar end shifter claims to work with both nexus and alfine 8 speed hubs, so i dont see why other shifters wouldnt. How to replace shifter cable on shimano revoshift shifters. English dmsl000401 dealers manual thumb shifter plusthumb shifter thumb shifter plus slft55 sltx50 sltx30 thumb shifter sltz20. Jtek bar end shifter for shimano nexus and alfine 8 speed hubs. The overall range of the shimano 8 speed hubs is 307%, and the steps in gears are a bit uneven. The alfine 11 speed internalgear hub is similar to the nexus and alfine eight speed hubs.
Shimano nexus internal geared rear hub coaster brake o. There are two yellow marks on the underside of the hub that must align perfectly in 4th gear for 7 and 8 speed shimano ighs. As well, on our site you can read the manuals and another art ebooks online. View and download shimano nexus inter 8 dealers manual online.
The nexus 8 speed system delivers a high level of design, quality and function. Nexus is a family of parts, of which the nexus inter 8 eight speed hub is one. Users manuals are describing safety information and procedures for consumers, dealers manual are describing how to assemble and adjust the. You may read shimano nexus 8 speed hub service manual online either download.
Rather than getting it fixed im considering replacing it with a nexus 8 hub, as they supposedly of higher quality apart from the obvious extra gear. Obviously i need a new 8 speed shifter to do this, but it looks to me that i can use the old roller brake assembly and the chain very little obvious wear. The boston 8 is powered by a shimano nexus 8 speed internal gear hub. Nexus inter 8 bicycle accessories pdf manual download. The alfine 8 speed hub is a very similar, higherend model which has a discbrake fitting.
View shimano s manufacturing technologies, enthusiasm for design and craftsmanship, ir information, recruitment information, and social activities. If any part of the information on the manual is unclear to you, do not proceed with the installation. How to correctly set the gears on a shimano nexus 8 speed bicycle gear system. It also includes shimano s optical gear display, which shows riders what gear position is selected while riding.
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. Jtek shifter for shimano nexus and alfine 8 speed hubs. 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. Shimano published a nexus dealers manual now archived. I thought id impart a little bit of advice on an aspect of bike maintenance that was slightly foreign to me, and hopefully that i.
A simple guide to adjusting a shimano nexus hub gear. Apparently the shimano nexus inter 8 twist shifter can be used with the alfine hub if you want to avoid endless buttonpushing. Shimano nexus st8s20 8 speed inter8 igh trigger shifter brake combo details. I was challenged by my viewers to try to reassemble the shimano nexus 8 speed hub that i disassembled in my last video. Nexus is a family of parts, but the most exciting part is the series of multi speed hubs 3, 7, 8 and 11 speed versions are now available, as well as an oldfa. Compact twist type shifter with gear indicator for nexus. In addition, do not use any hub dynamos other than function is activated and the liquid crystal display turns off. Save shimano nexus 7 shifter to get email alerts and updates on your ebay feed. Do not use them with any other roughly 1 minute after stopping the bicycle, the energy saving bicycles. It has a roller brakeas pictured comes with chain and installation kit with locking washers. The revoshift shifter requires just twisting with thumb and index finger while keeping your hands on the handlebar. The slc6000 shift lever is compatible with the shimano nexus inter 8 internal geared hub.
Click here and find out the manuals of shimano products, technical information, safety data sheet of grease and so on. Nexus is a family of parts, but the most exciting part is the series of multi speed hubs 3, 7, 8 and 11 speed versions are now available, as well as an oldfashioned 3 speed. Many technical advances have been achieved, like incorporating shimano s unique gear change support mechanism that makes a real low effort shifting. Familiarize yourself with the indicator markings on the hub cassette joint the part of the hub that swivels around to change gears.
Shimano alfine internal geared rear hub center lock disc brake o. 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. The actual product may differ from the illustration because this manual is. 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. About 19% of these are bicycle, 1% are gym equipment. Page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. Shimano nexus 3 speed hubs current production, 2017. Jul 25, 2015 replacing shifter cable for shimano nexus revo shift 8 with alfine hub saturday, 25 july 2015 i recently changed the shifter cable on my bicycle, which has a shimano 8 speed alfine internal gear hub, and a twist shifter nexus revo shift. The table above shows the relative gear ratio for the. Compact twist type shifter with gear indicator for nexus inter 7. Can i replace my shimano nexus 7 with a nexus 8 hub. Shimano cycling y8jk98010 nexus brim45r left hand washer unit for b.
Shimano nexus 8 speed hub reassembly putting it back. 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. Shimano nexus 8 speed hub service manual pdf free download. How to service a 2012 shimano alfine 8 speed hub and why its not a good idea to dunk the internals in oil when you service it. The first step to repairing your shifters is to remove these grimy cesspools of sweaty palm. Shimano nexus 3, 4, 5, 7 and 8 speed hubs are currently in production as of 2014. Important notice 5 important notice this dealers manual is intended primarily for use by professional bicycle mechanics. In this video i will be showing you how to adjust the gears on the shimano nexus 7 and 8 system. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals. Page 1 si7bf0b service instructions page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. There have been some improvements however as a result of this change. Shimano nexus 8speed revo pavement bicycle shift lever sl8s31. Shimano sg3d55 universal hub kit nexus 32h 3 speed centerlock. Shimano nexus inter8 dealers manual pdf download manualslib.
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