The Rant Bang Ur Mid Bottom Bracket Kit includes all of the parts to replace a worn out BB. The kit includes: 2 Mid size precision sealed bearings, 1 aluminum internal spacer (51mm), 2 aluminum cone spacers with laser-etched Rant logos, and 4 crank arm spacers to dial in the chain alignment.
Shell Size: Mid
Center Spacer Size: 51mm
Weight: 6.2 oz (19mm)
This product was added to our catalog on December 12, 2019