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Ok so I'm a wuss climbing on a road bike. How small a ring can I put on my biopace 130 BCD inner ring? I see 39T on eBay. Is that it?
Currently 52/42 and not loving it. Obviously should I become a mountain goat I can swap back but r now need some granny action!
So 39 or....?
Thanks as always. Learning as I go.
Currently 52/42 and not loving it. Obviously should I become a mountain goat I can swap back but r now need some granny action!
So 39 or....?
Thanks as always. Learning as I go.