PARK TOOL FR-5.2 Cassette Lockring Tool Pricing £11.99 In stock (warehouse) Description 12 splines, 23.5mm diameterFits Shimano®, SRAM® (including 1x), SunRace®, SunTour®, Chris King® and other cassette lockringsAlso fits some Shimano® disc brake lockringsMade in the USA and covered by Park Tool's legendary limited lifetime warranty As with any product, specification is subject to change without prior notification. You are advised to confirm current specification before buying.