Theory American Bottom Bracket Cups
$14.99
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Theory American BB Cups: The Theory American Bottom Bracket Cups allow you to use any sealed Mid BB (19, 22 or 24mm) in any American bottom bracket frame. If you have a frame with an American BB shell, it can be difficult upgrading your crankset or even finding a replacement BB kit. These Theory American cups should help solve your issue. Sold in pairs.
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