Shimano alfine and nexus cogs work with either a 18 or 332 chain. Principle of a alfine nexus inter8 intern gear hub. Shimano nexus sgc60018cd internal gear hub coaster. The shimano nexus sg3r40 roller brake compatible 3speed rear hub is no longer available, although you may find similar or newer versions below. Shimano alfinenexus internal gear hub parts universal cycles. You can shift gears anytime, while standing still, pedaling or coasting. The explodedview pdf on the shimano web site does not show the hub shell as being separable into components.
The current set up for this hub and rim combination is 1st gear is. The sg3r40 utilizes an easy to use bell crank shift mechanism. Shimano nexus sg3r40 push rod y33s98180 sjs cycles. We provide information about it here to assist people who would like to keep this hub in service. Im willing to bet you are in the same boat i was you own a bike with a 3c40 hub, but cannot find a lick of reliable information out there, even on shimanos own.
When installing the hub to the frame, be sure to install the correct nonturn. Jun 02, 2017 everything you wanted to know about servicing and maintaining your bicycles sg3c40 internalgeared hub but couldnt seem to find thanks, shimano. When replacing parts, replace the whole internal assembly or unit part. Shimano sm 3r40 fitting kit for sg 3r40 nexus inter3 hub.
Shimano sg7c16 and sg7c18 owners manual vancruisers. This push rod can also be used on the following internal hub gears. Sg 3r40 shimano nexus 3speed hub whipower roller brake inter3 hub brim31r interm brake 2 m i n. Shimano nexus sg3d55 3speed internally geared disc brake 32h rear hub kit, small parts included shimano nexus sg3d55 3speed disc brake internally geared hubs includes 19 tooth cog, push rod, hub nuts, dust cap and nonturn washer. Shimano nexus sg3c41 3speed coaster brake internally geared hubs includes 19t cog, 34 chainstay clamp, hub nuts, push rod and nonturn washer 3 speeds with a 186% gear range. Original shimano parts guarantees that all components work perfectly for optimum performance and maximum safety and longevity. Shimano nexus sg3r40 internal assembly axle length 176. For use with shimano nexus sg3r40 internal hub gears. Sg 3r40 brim31r nexus 3speed hub whipower roller brake inter3 hub interm brake. Do not use them with any other roughly 1 minute after stopping the bicycle, the energy saving bicycles. Shimano nexus sg 3r40 3 speed rear hub roller brake. Nexus is a family of parts, of which the nexus inter 4 fourspeed hub is one. Shimano nexus sg7r50 7speed roller brake internally geared hub nexus 7speed hub gear range. My bike a kettler spirit came with a shimano nexus 8 hub, one of the current sgr831 models, and i had been very happy with that.
Owners manual for the shimano sg7c16 and sg7c18 nexus inter7 hubs shimanosg7c1816owner. Sg3r75a shimano nexus sg3r75 shimano nexus sg3r40dx shimano nexus sg 3r40. Noise is generated by the operation of the power modulator. The computeraided design cad files and all associated content posted to this website are created, uploaded, managed and owned by third party users. How to remove a shimano nexus 7 nexus 8 hub and interm roller brake rear wheel. Shimano nexus sg3r40 roller brake compatible 3speed rear. Shimano nexus sg 3r40 flange nut y22015010 single hp flange wheel nut 38 new. Shimano nexus sg 3r40 3speed rear hub for roller brake 36 hole. Users who are not professionally trained for bicycle assembly should not attempt to install the components themselves using the dealers. Internal assembly axle length 184 mm stop ring 12 1. Shimano nexus sg 3r40 internal assembly axle length 176. Before carrying out disassembly, have ready the hub spannerstl7s20 and internal hub grease. View and download shimano cj8s40 technical service instruction online.
Shimano front interm brake body and the hub as a set. Shimano nexus sg3r40dx shimano nexus sg3c41dx shimano nexus sg3c41 shimano nexus sg3c40ntw shimano nexus sg3c40dx shimano nexus sg3c40 these are an a. The coaster brake is only suitable for flatland use. In addition, do not use any hub dynamos other than function is activated and the liquid crystal.
Internally geared 3 speed hub with a 19t cog that is interchangeable if you want a higher or lower gear ratio. The sgc60018cd is equipped with a coaster brake and a 5bolt brake disc mount as well. Shimano nexus sg3r40 3speed rear hub for roller brake 36 hole. Shimano nexus sg7c25 gear hub files 3d cad model library. Shimano deore creates new value priceperformance paradigm with trickledown 12speed mountain bike component technology 05072020 new shimano steps ebike products expand riding capacity, drivetrain and control options 05072020. When necessary, i convert shimanos data into useful spoke calculation dimensions with some simple arithmetic, and factor in 3mm thick hub flanges an approximation. Remove the right hand dust cap a with a screwdriver. The hub has a builtin mechanism for facilitating gear shifting. Products are not guaranteed against natural wear and deterioration from normal use and aging.
Internal assembly axle length 184 mm internal assembly axle length 203 mm stop ring 12 1. The second part contains information about the roller brake sg8r. 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. In order to get the best performance from the shimano interm brake, be sure to use shimano brake cables and brake levers as a set. Shimano nexus sg7c25 gear hub shimano nexus sg7c25 gear hub loading. The formula is to divide spacing by two, add or subtract the overall offset, then subtract half of our assumed 3mm flange thickness. Summary of contents for shimano cj8s40 page 1 7r black 7l gray note. My bike a kettler spirit came with a shimano nexus 8 hub, one of the current sg r831 models, and i had been very happy with that. The current 2017 generation of shimano 3speed internalgear hubs is available with a coaster brake or with an optional external rollerbrake or disc brake. Sg c30007r sg 5r30 sg 5r35 sg 3r40 brake lever blc6010 blim60a blim45 blim65 blim60 blc6000 hub roller brake brc3000 brc3010 brc6000 brim31 brim35 brim81 brim86 brake cable. Shimano sg 3r40 nexus roller brake compatible 3speed rear hub. Shimano nexus sg3r40 flange nut y22015010 single hp flange wheel nut 38 new. Shimano alfine, shimano nexus inter8 or sram imotion9.
Bikeman shimano nexus sg3c41 3speed internally geared. Shimano nexus sg8r31 internal assembly for 184mm axle hub. Shimano nexus service instructions manual pdf download. Shimano sg s700 hub gear oil before and after miles no previous oil change. For over 20 years across norfolk and for nearly 10 years online pedal revolution have stood firmly against national chains and. Shimano nexus sg7c25 gear hub 3d cad model library. Shimano nexus 3 speed sg 3r40 built into a 20 36 hole single wall rim. Apr 27, 2020 for use with shimano nexus sg 3r40 internal hub gears. Jul 25, 2019 shimano sm3r40 fitting kit for sg3r40 nexus inter3 hub. Really great work, i have to realise a 3d model of the nexus 8 speed and the nuvinci n360 in detail in order to obtain the moment of inertia if its possible. Shimano nexus sg 3c41 3speed coaster brake internally geared hubs includes 19t cog, 34 chainstay clamp, hub nuts, push rod and nonturn washer 3 speeds with a 186% gear range. Shimano rear internally geared bicycle hubs for sale ebay.
The sg 3r40 utilizes an easy to use bell crank shift mechanism. And this post is mostly about hubs, about whether getting a shimano nexus hub serviced is a good idea, and whether a premium redline nexus hub is actually any better. Shimano nexus sg 3r40 dx shimano nexus sg 3c41dx shimano nexus sg 3c41 shimano nexus sg 3c40ntw shimano nexus sg 3c40dx shimano nexus sg 3c40 these are an a match which indicates that the parts are the same in. All the details are on the static shimano nexus inter8 hubstripping page. Shimano nexus sg3d55 3speed internally geared disc brake. Shimano nexus inter 8 hub excluding auxiliary components. Great savings free delivery collection on many items. Independent choice, convenience and expert personal service. The shimano nexus sg3r40 hub offers a reliable 3speed mechanism, a silent.
When installing the hub to the frame, be sure to install the designated. Another article on this site covers maintenance issues that apply to 4, 7, 8 and 11speed shimano nexus and alfine hubs. Shimano cj8s40 technical service instruction pdf download. Shimano sg7c26 nexus inter7 coaster brake hub parts list. 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. Shimano nexus sg7c25 gear hub 3d cad model library grabcad. When the mechanism operates during gear shifting, noise and. For use with shimano nexus sg4r35 internal hub gears. Retail stores in portland, oregon and lancaster, pennsylvania.
The nexus 8speed system of the sgc6001 delivers a high level of design, quality and function. Oct 17, 2007 sg 8c22 march 2007, english, differences to sg 8c20. Reversed 6r silver 6l white the cj8s40 cassette joint should only be reversed used with sprockets from 16t to 23t. The amount of movement of the inner cable must be 14. Sg 7r46 shimano nexus 7speed hub whipower roller brake inter7 hub brim41r interm brake. Shimano sg3r40 nexus roller brake compatible 3speed rear hub. Shimano nexus inter3 sg3r40 120mm rear hub dimensions. Stockists of mens streetwear from patagonia, adidas, nike sb, carhartt, stussy, deus, busenitz, janoski, asics, obey to name a few. Shimano nexus internal geared rear hub roller brake o. Nexus sg 3r40 sg 3r45 sg 3r75 sg 3r75a sg 3r75b sg 3d55 sg 3c41 sl3s35e sl3s41e sl3s42e smbc03 smbc04 smbc06. Universal cycles shimano alfinenexus internal gear hub.
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. Buy shimano rear internally geared bicycle hubs and get the best deals at the lowest prices on ebay. Unfollow shimano nexus 8 to stop getting updates on your ebay feed. Because the fourspeed hub only gears up, it needs a smaller chainwheel andor larger sprocket than most other internalgear hubs to achieve a. Shimano sgs700 hub gear oil before and after miles no previous oil change. The shimano nexus 7 speed hub is available in either coaster brake or roller brake.
Hold the two bevelled surfaces of the hub axle in a vice. Many technical advances have been achieved, like incorporating shimanos unique gear change support mechanism that makes a real low effort shifting. If any part of the information on the manual is unclear to you, do not proceed with the. Other lubes may cause seal swelling or deterioration. Page 1 si7bf0b service instructions page 2 the dh3nb1qr and dh3rb1qr hub dynamos are for use will damage the unit surfaces. The nexus 4speed hubs availabilty is in question, at least in the usa. Shimano sm3r40 fitting kit for sg3r40 nexus inter3 hub. Turn the brake arm unit upside down and hold the two bevelled surfaces of the hub axle on the sprocket side in a vice.
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