OK I have a 2012 Giant XTC 2 29er and I am upgrading it over the winter and want to switch it to a 2X10 system but I have no clue what cranks to get for my BB shell. The BB says 71-41 so does that mean any crank and BB that fits a 68-73 41 will work? I ask this because I measured the housing on the outside and its 90MM does the measurement go from the inside where the cups rest?
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Thread: HELP with BB Size