SHIMANO ES51 OCTALINK 73 X 121MM BOTTOM BRACKET show_disclaimer The white layers on the

The white layers on the mat trap any particulate larger than 50 microns and must be peeled away once a week to help reduce possible sludge build-up and for the optimum performance of the entire system

allowing you to ride faster

The blue layer is the support structure that contains the Ozzy® Microbes

10° with ATAC Easy cleats

Max Tyre Width: 81mm

SHIMANO ES51 OCTALINK 73 X 121MM BOTTOM BRACKET show_disclaimer The white layers on theShimano ES51 bottom bracket featuring an 8 splined Octalink interface for enhanced strength and power transfer. Designed for 73mm BSA threaded frames with standard cranksets. The hollow axle construction delivers improved rigidity compared to traditional square taper systems. Specification Model: BB ES51 BB Type: Octalink Threaded: BSA Threaded BB shell width: 73mm Axle Length 121mm Material Steel Resin Contents 1 x Shimano BB ES51 Octalink 73mm BSA