- Grade 3 silicon nitride ceramic balls, graphite/nylon retainers, filled with Kyodo Yushi grease for ceramic bearings
- Ceramic bearings provide superior smoothness, reduced weight and extended bearing life
- Upgrade/replacement bottom bracket cups with (2) 2437 ceramic cartridge bearings for outboard bearing BB systems
- Includes (2) red rubber coated secondary shields (does not include center sleeve)
- BB cups will fit 68/73mm shells and work with Shimano, FSA, and Race Face integrated-spindle cranksets
|
|
AB-9832