SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm Bike-Product Mobile phone compartment

Mobile phone compartment

CARGO BIB FOR FALL/WINTER CONDITIONS

scratch-resistant

Security level: Sold Secure Diamond

*Mid rail to saddle topper 48mm

SHIMANO BB-ES51 OCTALINK BOTTOM BRACKET 68mm Bike-Product Mobile phone compartmentShimano 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