Fiction American BB Cups (Black) - S2640
Fiction American BB Cups (Black) - S2640, The Fiction American BB 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 Fiction American cups should help solve your issue. Sold in pairs.