SHIMANO ES51 OCTALINK 73 X 121MM BOTTOM BRACKET show_disclaimer 36/52 XS:165mm

36/52 XS:165mm

2020 Fathom E+ 1 Pro 29er

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

Extra wide range with front double 36-22T

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

SHIMANO ES51 OCTALINK 73 X 121MM BOTTOM BRACKET show_disclaimer 36/52 XS:165mmShimano 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