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Shimano BB-ES300 BSA 68mm Bottom Bracket
Comparing the power transfer of OCTALINK to the conventional square taper spindle, the 8-spline OCTALINK interface connecting the bottom bracket and crankset increases the strength and stiffness of the entire assembly.
Features Shimano BB-ES300 BSA 68mm Bottom Bracket
- Stiff and light for efficient power transfer.
- Reinforced and durable groove construction.
- The 8-slot OCTALINK interface increases the strength and rigidity of the entire assembly.
- 26g lighter than BB-ES25.
- Fast and precise assembly.
- Good chainline control with stabilizer