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Shimano Vintage 3 speed Internal Rear Hub SG-3S31 28H With Shifter And Clamp NOS
For your mostly flat commute with a hill, a 3-speed hub is a great idea. A modern version of the classic sturmney Archer with an aluminum shell weighs a reasonable 970 g. You can either set it up so that second or third gear is your ideal ratio for the flat part of the commute and then you either have two options for uphill, or you have a ...
Shimano developed an internal geared “3-speed hub” in 1957. After that, it sold internal geared hubs not only in Japan but also the United States, Germany, Northern Europe and other countries across the world while making continuous improvements, including the addition of coaster brake specifications, from the 1960s to 1970s. However, as ...
The current (2017) generation of Shimano 3-speed internal-gear hubs is available with a coaster brake or with an optional external Rollerbrake or disc brake. The coaster brake is only suitable for flatland use: it will overheat on long downhill runs, like any coaster brake.
The SHIMANO NEXUS coaster brake is operated by pedaling backward in a similar way as ordinary types. Its uniqueness is that braking power transmitted to the wheel directly for the SHIMANO NEXUS internal coaster brake is independent of the gear shifting mechanism built into the hub.
The Shimano Nexus group combines the best features of your old 3 speed, and eliminates the worst, thanks to modern materials and technology. 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 old-fashioned 3-speed.
Shimano Vintage 3 speed Internal Rear Hub SG-3S31 28H With Shifter And Clamp NOS
