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.
Specs:
Size: 19mm or 22mm R12 Sealed bearings 100% CNC 6061-T6 alloy cones Include spacers for custom fit Weight: 153gr
