The SRAM BB30/PF30 bottom bracket is a great improvement on one of our favorite BB systems. The integrated seal is preassembled into the cups to prolong bearing life. The bearings are also housed in their own nylon inner cups to help them last longer and spin more reliably.
Designed for 30mm spindle cranksets
Preassembled integrated seal helps keep grease in and grime out
Bearings are housed in their own nylon cups to prolong the road life of the BB