• Single speed track alignment, 3/32 Royce chainring with WI double 17/19 freewheel so whilst I think I’ll move them around a bit doubt I will.

  • WI double 17/19 freewheel

    You'll want some sort of bushingless chain for that, and you'll want to check the gap between the two sets of teeth to make sure there's proper clearance

  • Thanks. Will have a measure. What chains do you think these were designed for? Guess I limit things with the drop outs being 120mm ?

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