Hello - I hope someone can help me out as I am unfamiliar with BB30 and how the OS-Fit cups work. I want to purchase and install a CX10 crankset into a BB30 cx bike. I realize I need to purchase the Power-Torque OS-fit cup but do I also have to purchase the CX Power-Torque BB outboard cups as well?
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Thread: CX10 crankset and BB30
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