I have an old Puch frame with cottered crankset. The BB width is 68mm with Chain line 42mm. I was wanting to fit a new Sugino RD2 crankset, with BB 103mm but i have no idea what length BB I should get, anyone know??
I measured the width of the current bottom bracket and it is 140mm across.
I have an old Puch frame with cottered crankset. The BB width is 68mm with Chain line 42mm. I was wanting to fit a new Sugino RD2 crankset, with BB 103mm but i have no idea what length BB I should get, anyone know??
I measured the width of the current bottom bracket and it is 140mm across.