Description
SHIMANO ACERA – Bottom Bracket – OCTALINK – 121 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
PRODUCT SPECIFICATIONS
| MODEL NO | BB-ES300-AK | |
| SERIES | SHIMANO ALIVIO T4000 Series | |
| Remarks | * w/ 1.8 mm spacer version also available for FC-M521 | |
| Structure_For chain case | ✔ | |
| Axle length / shell width_121_68mm_(BC1.37) | X* | |
| Spindle_Hollow pipe | ✔ | |
| Spindle_Octalink | ✔ | |
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