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A perfect kit for converting American bottom bracket to the more popular mid style BB. Read more..
The Rant Bang Ur BB kit includes 2 precision R12 sealed bearings, 2 CNC machined 6061 aluminum cone spacers for a clean look, an aluminum internal spacer, 4 steel crank arm spacers for dialing in your chain alignment.
Perfect for converting an American BB to Mid BB.
Details:
Ships from Canada
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