SRAM Centerlock Lockring - External Spline - black

The SRAM Centerlock lockring makes brake disc installation quick and easy. To install it over the disc rotor, simply thread it on the hub with a standard bottom bracket tool and tighten. The locking ring is compatible with any Centerlock hub with a maximum of 220mm rotor size. The external spline lockring can create clearance issues with certain road forks and is designed for MTB use only. Version with 44mm / 16 notch external spline.