Two sizes are available to fit either 68mm (BB-CFMM3/68) or 73mm (BB-CFMM3/73) wide shells.
Carbon - For use with carbon MTB MegaExo and Alloy NBD (no pinch bolt) cranksets with BB30 shells. Two sizes are available to fit either 68mm (BB-CFMM3C/68) or 73mm (BB-CFMM3C/73) wide shells. Ceramic bearings for minimum friction and maximum durability.
Bearings: Stainless steel ball bearings with hardened steel races (Alloy) or Ceramic bearings (Carbon)
Weight: 84g (Carbon)/86g (Alloy)
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