The Catrike 20mm Front wheel hub is compatible with a 32H rim. This hub is compatible with all Catrike front axles and can the hub can also be used with any 20mm axle. -
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Shimano Alfine and Nexus SG-8R31/8R36/8C31/S501 Hub Small Parts Kit with CJ-8S20 Cassette Joint for Vertical and Horizontal Dropouts Shimano Internally Geared Hub Small Parts Kits
Alfine hubs are packaged without small parts and require this kit plus a cog Nexus hubs are packaged with small parts and cogs and do not require an additional small parts kit Cassette joint does not fit Di2 Alfine hubs Includes non-turn washers for vertical dropouts (8R/8L) and horizontal dropouts (6R/6L), cap nuts, cog snap-ring and CJ-8S20 cassette joint. Does not include an Alfine/Nexus cog -
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-Intended for use with frames that have a threaded eyelet for a 6mm torque support bolt (i.e. Surly Big Dummy, Troll, Ogre, etc.), or in tandem with the Rohloff Speedbone (HU3052) -For use with bolt on hub -
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