- Fits all Shimano road and mountain external bearing cranksets
- CNC machined alloy cups with ceramic balls and stainless steel races
- Ceramic bearings offer better corrosion resistance, increased product life and lower friction
- Ceramic bearings require 78% less energy to move than standard bearings
- SHIMANO Equivalent SMBB-9000 / SMBB-93
Specifications:
- Shell:68/73mm
- Interface:ENG
- Spindle Type:GRY/BLK
- Length:GRY/BLK
- Cup Material:Alloy/Ceramic
- Weight:109g
- Cup Type:
- Cup OD/Bearing OD:
- Color:
- Seal Type