SHIMANO ACERA - Bottom Bracket - OCTALINK - 121/126 mm Axle Length - 68 mm Shell Width
Stiff and lightweight for efficient power transfer, OCTALINK uses a quick and precise assembly and a reinforced spline construction.
- Stiff and lightweight for efficient power transfer
- Durable spline reinforced construction
- 8-splined OCTALINK interface increases the strength and rigidity of the entire assembly
- 26 g lighter weight than BB-ES25
- Quick and precise assembly
- Good chain line control with chain stabilizer
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | BB-ES300-K |
---|---|
SERIES | SHIMANO ALIVIO M4000 Series |
Remarks | * w/ 0.7 mm spacer |
Structure_For chain case | ✔ |
Axle length / shell width_126_68mm_(BC1.37) | X * |
---|---|
Axle length / shell width_121_68mm_(BC1.37) | ✔ |
Spindle_Hollow pipe | ✔ |
Spindle_Octalink | ✔ |