OCTALINK Bottom Bracket
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FEATURE
- Durable spline reinforced construction
- 26 g lighter weight than BB-ES25
- Good chain line control with chain stabilizer
BENEFIT- Stiff and lightweight for efficient power transfer
- Quick and precise assembly
TECHNOLOGIES
PRODUCT SPECIFICATIONS
MODEL NO | BB-ES300-AK |
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SERIES | SHIMANO ALIVIO T4000 Series |
Remarks | * w/ 1.8mm spacer version also available for FC-M521 |
Structure_For chain case | X |
Axle Length / Shell Width | 121_68mm_ (BC1.37) |
Axle length / shell width_121_68mm_(BC1.37) | X* |
Spindle_Octalink | X |
Spindle Type | Octalink-Hollow |
Structure | For chain case |