• dude transmission database tells you what other people are riding and what works so you can then make a decision about what yours should be, and means you don't buy the wrong thing.

    http://www.londonfgss.com/thread3372-4.html#post628030

    The two cranks I've mention above aren't there (from what I can see).

    Miche Primato Advanced Track Chainset look ok. How do I know if I need 170mm or another size.

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