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You need to enter data for at least one chainring, and at least
one sprocket unless you choose a stock cassette.
Listing of internal hubs is A>Z by manufacturer, then by number of speeds, type and age
Fichtel & Sachs, Sachs and SRAM are the same series of hubs, shown together.
This page covers most internal hubs back to the original 1902 Sturmey-Archer
Many of the hubs listed, and some of the cassettes, are no longer in production.
Another page omits antique and rare internal-gear hubs.
The SRAM/Sachs 3 x 7, 3 x 8 and 3 x 9 and the Sturmey-Archer CS- RF3 and CS-RK3
are the only production internal-gear hubs designed to use rear sprocket clusters.
but other models are included in the list for the benefit of tinkerers -- see discussion.
Gain Ratios |
Gear Inches |
Meters Development |
About Percentages |
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