SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET - 68MM discount_processed The only true flat-less tyre

The only true flat-less tyre gets a new

This all-in-one kit makes a fantastic gift for any cycling enthusiast

Lasered black ano 6061 T6 aluminum clamps

5mm DM Chain Ring

SHIMANO BB-ES300 OCTALINK BSA BOTTOM BRACKET - 68MM discount_processed The only true flat-less tyreShimano BB ES300 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 ES300 BB Type: Octalink Threaded: BSA Threaded BB shell width: 68mm Axle