• Quick question please - if I get a second cassette for flat vs hilly rides do I need to get a second chain to use with it so they wear at the same rate? Current chain (and cassette) has c.5000K use but in good nick. Thanks!

  • no, you'll be fine. many people regularly swap between wheels (me included) with no issues. But buy two bikes to save time. I believe the latest two requirments for richmond park laps are

    and

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