The Rant Bang Ur Mid BB kit includes 2 precision R12 sealed bearings, 2 CNC machined 6061 aluminum cone spacers for a clean look, an aluminum internal spacer, and 4 steel crank arm spacers for dialing in your chain alignment.
Size: 19mm or 22mm and American
R12 Sealed bearings
100% CNC 6061-T6 alloy cones
Include spacers for custom fit
Weight: 5.5 oz.
Colors: Black, Blue, Real Teal, Silver, Matte Gold, Pepto Pink, Sky Blue, Red
Share This Product
Choosing a selection results in a full page refresh.