Hubs & Freewheels

Cassettes, freewheels, and the internal-hub sidebar.

Purple Apronplanned

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The cassette and freewheel world that powers multi-gear bikes. Plus the Sturmey-Archer and Shimano Nexus internal-hub bikes you'll also see at the shop — pawl geometry, oil intervals, and the disassembly nobody does until the hub fails.

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