Shimano LR21 Lockring Tool

The Shimano TL-LR21 is required for mounting and dismounting 9-45 cassettes with external teeth on the lockring for the MICRO SPLINE freehub body standard.

- Hardened steel for rigidity and durability
- For installation and removal 12-speed cassettes with 9-45 teeth on the Micro-Spline freehub

About Shimano
Established in Japan in 1921, Shimano is the worlds largest bicycle component manufacturer. Whether it be drive systems, brakes, pedals or shoes, Shimano stands for reliable quality and performance. From Road & Gravel to Mountain, Touring & Urban use, Mechanical or Electric.