Shimano FC-M770 Hollowtech 2 Tension Bolt

Description

Replacement Preload Tension Bolt to fit the Shimano FC-M770 Hollowtech 2 Crankset

This simple plastic part preloads the bearings on your bottom bracket and is essential for the proper function and performance of your crankset. This part is for the XT level FC-M770 but will also work with other similar Shimano cranksets.