Product Specifications
Shimano BB-ES300 Octalink Center Drive | BSA 68 mm
The Shimano BB-ES300 bottom bracket features a round hollow axle and a toothed interface designed for Octalink cranksets, suitable for frames with BSA threading (68mm).
Compared to the conventional square axle connection, the OCTALINK 8-tooth interface that connects the bottom bracket and crankset significantly increases the strength and rigidity of the entire assembly, ensuring enhanced power transfer.
Technical characteristics
Category MTB, City, Hybrid
BB type BSA
Fluorescent lamp manufacturer Shimano
Frame width (mm) 68
Axle type Octalink
Hub length (mm) 113, 118, 121, 126
Bearing material Steel
