Problem Solvers Center-lock Lockring for 121520 mm Thru-Axle

Problem Solvers Center-lock Lockring for 121520 mm Thru-Axle. Sold individually or as part of Problem Solvers’ 6-bolt adapter assembly this lock ring is meant for use with Shimano Center Lock compatible hubs.

External splines; compatible with external bottom bracket tools

For use with 12–20mm thru-axles

Aluminum construction