S40 transformed into F40?

Discussion in 'Road Series (S1.x, S2.x, S30)' started by Charles.Plager, Jun 4, 2017.

  1. DavidJL

    DavidJL Well-Known Member

    This reminds me of a Trailmate trike I had years ago, for a short time. This basic design is still being made today. But the S-trike allows better gearing.

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