Shimano nexus cnnx10 internal gear hubsinglespeed chain 114 links. Shimano nexus 3speed hub problems bicycles in newcastle. I had someone else look at it and he assured me that the problem was not with the shifter but was just an adjustment problem, as the shifter is able to shift the yellow marker that is visible in the window of the adjustment mechanism, so i had a go at adjusting it myself. Shimano nexus internal geared rear hub roller brake o. Mar 26, 2015 the old shimano 3 speed internal gear hubs require a special gear cable with a lug at each end. Unfollow shimano nexus 3 speed shifter to stop getting updates on your ebay feed.
The shimano sg3c41 nexus universal hub kit, 36h, 3speed w coaster brake was easy to install and has a smooth operation using the shimano sl3s42e nexus 3speed revoshifter i purchased along with this hub kit to convert my singlespeed beach cruiser. Alfine is a highend product line with 8 and 11speed hubs. Page 1 si7bf0b service instructions page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. In addition, do not use any hub dynamos other than function is activated and the liquid crystal display turns off. 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 nexus internal geared rear hub coaster brake o. The shimano nexus 3 speed internal hub and shifter set is a great upgrade for your bike. There have been some improvements however as a result of this change. In this clip, pete, the mechanic, shows us how to tune a shimano nexus internal 3 speed.
We believe in the power of cycling to create a better world as we move forward. Files are available under licenses specified on their description page. Shimano sg3c41 3 speed internal gear hub with coaster back pedaling brake. Shimano sg3c41 3speed internal gear hub with coaster back pedaling brake. Shimano nexus 3 parts list 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 inter 3 coaster brake sg3c41. How to tune a shimano internal 3 speed bicycle wonderhowto. Bikeman shimano nexus sg3d55 3speed internally geared disc. Tlhs10 screwdriver right hand dust cap a screwdriver 2 note. In this video, learn how to properly tune your 3 speed beach bike so that it runs safe and smooth all summer long. The wife and i just bought a pair of new cruiser bikes made by electra with shimano nexus inter3 hubs. There is also a nexus 3 speed that has a 172mm overall axle length. This can be made from a regular gear cable with a lug at one end and a modified spoke nipple covering a 180 degree bend at the other end.
Also, for carrying out maintenance, the use of shimano internal geared hub grease or a lubrication kit is recommended. Shimano nexus 3speed problems bicycles in newcastle. Now, the first thing you want to do is go up to the shifter on the handlebar and put it into second. For carrying out maintenance, the use of shimano internal geared hub. It is the nexus model, which is written on the body. Shimano nexus 3speed hubs current production, 2017. Upgrade your ride with this easy to install, smooth, and durable shimano 3 speed wheel set with everything you need to get riding. To build closer relationships between people, nature, and bicycles.
Shimano front interm brake body and the hub as a set. Jun 02, 2017 everything you wanted to know about servicing and maintaining your bicycles sg3c40 internalgeared hub but couldnt seem to find thanks, shimano. On my wifes bike every now and then it makes a noise while riding that sounds almost like the chain rubbing on the tire yet no rubbing is occuring. Ive put the bike on my stand and of course cannot duplicate the noise. I had someone else look at it and he assured me that the problem was not with the shifter but was just an adjustment problem, as the shifter is able to shift the yellow marker that is visible in the. 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 nexus sg3c41 3speed internally geared coaster brake 36h rear hub kit, small parts included shimano nexus sg3c41 3speed coaster brake internally geared hubs includes 19t cog, 34 chainstay clamp, hub nuts, push rod and nonturn washer. 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 3s is more compact, and unlike the older shimano 333. Buy shimano products online at bikediscount bike shop. The coaster brake is only suitable for flatland use. I dont have a service diagram for the 70s shimano 3s, but as it turns out the principles are the same as the sturmeyarcher aw. It seems that electra bikes sold some 3 speed cruisers with the wrong length push rods, weve had two in the shop recently that would not adjust properly and it. Slightly used shimano 3 speed nexus hub with 21t cog.
Do not use them with any other roughly 1 minute after stopping the bicycle, the energy saving bicycles. Shimano nexus 3 speed retainer ball bearing urbane cyclist. Shimano sg3c41 universal hub kit nexus, 36h, 3speed. I wrote about the problems i have had with my shimano nexus 3speed hub here. I have shimano nexus 8 on one bike and a sa 5 on another. It seems that electra bikes sold some 3 speed cruisers with the wrong length push rods, weve had two in the shop recently that would not adjust properly and it turned out both had the wrong length push rod. So ride the bike down the street and shift between gears. If the wheel becomes stiff and difficult to turn, lubricate it with grease.
Shimano nexus internal geared hub roller brake 3speed. Shimano nexus 3 parts list 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. Jul 01, 2012 seriously what is the point of a 3 speed hub. Installation was very easy and required a simple, easy adjustment for smooth shifting.
Shimano nexus 3speed coaster brake internal gear hub sg. On 2nd and 3rd gear, especially when i run faster, the hub is not engaging properly, missing engagement sometimes. Noise is generated by the operation of the power modulator when the brake is applied, but this is not a sign of a malfunction. The 3s is more compact, and unlike the older shimano 333, the pawls are held in place by snap ring wire circlips, in much the same way as a 10speed. Dec 17, 2012 the ultimate nexus 7 troubleshooting guide. The old shimano 3 speed internal gear hubs require a special gear cable with a lug at each end.
If the wheel becomes stiff and difficult to turn, lubricate it. You change gear with a simple twist of the shimano revo gear shifter, pictured. I cant therefore comment on the 3speeds but i do know that the nexus feels more stable than the sa. 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. The gear changes are more consistent and there is not longer any play in the. The shimano nexus 3speed internal hub and shifter set is a great upgrade for your bike. Bikeman shimano nexus sg3d55 3speed internally geared. This is the most common 3 speed internal gear coaster hub on new bikes. And low gear 1 is when the cable is at the tightest. I recently had the shifter mechanism replaced for my nexus 3speed and still i cannot get first gear. Shimano nexus 3 sg3c41 2 and 3 gear problem ring gear. Today, were going to work on internal multi speed hubs. Gear cable for old shimano 3 speed internal gear system. When necessary, i convert shimanos data into useful spoke calculation dimensions with some simple arithmetic, and factor in.
Includes revo twist grip shifter, cable and 19 tooth cog. Geds 12 reasons to consider nexus 8 hub gears on your next bike. 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 in a vice. Shimano nexus 3 sg3c41 2 and 3 gear problem ring gear unit repair. Service manuals for modern shimano internal gear hubs. Weve run into quite a few problems and fixed them all from bad performance and touchscreen responsiveness issues to tablets that wont power on and. Im considering a new bike that has a shimano nexus 3 fitted and wondered how easyhardimpossible it is to upgrade it to a nexus 8, alfine 11, or. All structured data from the file and property namespaces is available under the creative commons cc0 license. Information on how to maintain and rebuild nexus 3speed hubs is in pdf documents. It is mainly known for internally geared hubs, but includes also hydraulic disc brakes and levers, chain tensioners, dynamo hubs, cranksets, shift levers, and complete. We inspire all people to enjoy our products in their everyday lives and where they take them. The shimano nexus 7 speed hub is available in either coaster brake or roller brake.
Shimano alfine sgs700 11 speed epicyclic internally geared hub, without auxiliary components. This is the most common 3speed internal gear coaster hub on new bikes. Mar 24, 2012 i previously wrote about the problems with my shimano 3speed hub here and here. Shimano nexus 3 speed retainer ball bearing urbane. Shimano nexus sg3d55 3speed internally geared disc brake 32h rear hub kit, small parts included. Shimano nexus service instructions manual pdf download. Hello friends, ive been riding my new worksman lgb for 2 days now, pretty nice ride. I previously wrote about the problems with my shimano 3speed hub here and here. Exploded diagram and parts list for the shimano nexus 3speed coaster brake sg3c41. 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 nexus 8speed transmission offers an excellent range of gears equivalent to an 14 cassette wide enough for most riders on most roads in britain. Alfine hubs feature fancy features including optional hydraulic disc brakes and electronic shifting. Retainer ball bearing for shimano 3 speed internally geared hubs. Shimano nexus inter3 sg3r40 120mm rear hub dimensions.
Shimano nexus 3speed coaster brake internal gear hub sg3c41. Shift through the gears and make sure it click as it stops in each gear. May 29, 2014 i dont have a service diagram for the 70s shimano 3s, but as it turns out the principles are the same as the sturmeyarcher aw. Watch as pete on the mechanics shows us how to adjust a shimano nexus internal 3 speed hub on a sixthreezero classic. Never tighten the inner cable fixing bolt with it attached to your bicycle. Unfollow shimano nexus 8 to stop getting updates on your ebay feed. Make sure you keep your bike in top shape by tuning it every once in a while. Sg3r40 shimano nexus 3 speed hub whipower roller brake inter 3 hub brim31r interm brake 2 m i n.
Fantstic, easy to install, and smooth operation, the shimano sl3s42e nexus 3speed revoshifter was purchased along with the shimano sg3c41 nexus universal hub kit, 36h, 3speed w coaster brake to convert my singlespeed beach cruiser. Shimano nexusalfine 3, 4, 7, 8, and 11speed technical. Shimano nexus sg3c41 3speed internally geared coaster. How to correctly adjust 3 speed shifter stack exchange. Shimano nexus 3, 4, 5, 7 and 8speed hubs are currently in production as of 2014. 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. Sun gear unit 3 sun gear unit 2 ring gear stop ring ring gear unit driver unit hub axle unit axle length 174. Find great deals on ebay for shimano nexus 8 and shimano nexus 8 speed. Noise is generated by the operation of the power modulator when the brake is. If it stops in 2 but not in 1, loosen the cable by 1 3 of a turn. Shimano nexus sg3c41 3 speed internally geared coaster brake 36h rear hub kit, small parts included shimano nexus sg3c41 3 speed coaster brake internally geared hubs includes 19t cog, 3 4 chainstay clamp, hub nuts, push rod and nonturn washer. Mar 14, 2012 i wrote about the problems i have had with my shimano nexus 3 speed hub here. May 04, 2006 the wife and i just bought a pair of new cruiser bikes made by electra with shimano nexus inter 3 hubs.
Remove the right hand dust cap a with a screwdriver. Shimano nexus sg3c41 3speed internally geared coaster brake. Wheelbuilders are interested in the distance from the midpoint between locknut faces to the middle of the flange not the inside or outside face. How to adjust a shimano nexus internal 3 speed hub thebiketube. Shimano nexus internal geared hub coaster brake 3speed. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers manuals. If your singlespeed cruiser is having some difficulty climbing hills or your city commuters derailleur is constantly getting damaged, an internal hub is for you. How to strip and rebuild a nexus 3 speed hub youtube. Fantstic, easy to install, and smooth operation, the shimano sl3s42e nexus 3 speed revoshifter was purchased along with the shimano sg3c41 nexus universal hub kit, 36h, 3 speed w coaster brake to convert my singlespeed beach cruiser. Mar, 2009 hello friends, ive been riding my new worksman lgb for 2 days now, pretty nice ride. The current 2017 generation of shimano 3speed internalgear hubs is available with a coaster brake or with an optional external rollerbrake or disc brake. Everything you wanted to know about servicing and maintaining your bicycles sg3c40 internalgeared hub but couldnt seem to find thanks, shimano.
Watch as pete on the mechanics shows us how to adjust a shimano nexus internal 3 speed hub on a sixthreezero classic edition 3 speed beach cruiser bicycle found only at. If shimano grease or a shimano lubrication kit is not used, problems such as a malfunction in gear shifting may occur. Shimano nexus sg3d55 3 speed internally geared disc brake 32h rear hub kit, small parts included shimano nexus sg3d55 3 speed disc brake internally geared hubs includes 19 tooth cog, push rod, hub nuts, dust cap and nonturn washer. Shimano sg3c41 universal hub kit nexus, 36h, 3speed coater.