Shimano BB-ES300 Octalink
Shimano BB-ES300 68mm Octalink Spline Bottom Bracket (BC1.37) features sealed cartridge bearing construction providing long lasting smoothness and durability.
- Good quality bottom bracket for Shimano Octalink chainsets
- Octalink splined axle interface results in stronger crank assembly compared to square taper spindles
- Maintenance-free bearing assembly keeps out dirt, mud and water for long life
- Fast and easy installation without adjustment
- Over 25g lighter than previous ES25 version.