SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm Bike-Product 1 NX Eagle "DUB" 12-speed

1 NX Eagle "DUB" 12-speed Boost Crankset 32T

Optimized carbon lay-up places high-tensile strength carbon fibre at the most crucial points

In combination with the 11-42 tooth cassette

Weight: Starting from 24

SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm Bike-Product 1 NX Eagle "DUB" 12-speedShimano 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