SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm exclude_standard_shipping Front kangaroo pocket for all

Front kangaroo pocket for all off-bike essentials

and is bluesign® APPROVED

ST-/BR-RS505

Installation width: 12 x 142mm thru axle

SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm exclude_standard_shipping Front kangaroo pocket for allShimano BB ES51 Bottom bracket with round hollow axle and multi toothing for Octalink cranksets. Suitable for frames with BSA thread (68mm). Compared the power transfer of OCTALINK with the conventional square taper spindle, the 8 splined OCTALINK interface that connects bottom bracket and crank set increases the strength and rigidity for entire assembly. Specification Model: BB ES51 BB Type: Octalink Threaded: BSA Threaded BB shell width: 68mm Axle