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Park Tool Cassette Lockring Tool + 12mm Guide Pin
Cassette Tool: yes
Recommended Use: bike maintenance
Manufacturer Warranty: limited liftime
Designed specifically for use when removing and installing cassette lockrings from thru axle hubs, the Park Tool Cassette Lockring Tool comes with a 12mm Guide Pin to stabilize itself when getting the job done. This tool fits 12-spline cassette lockrings from Shimano, SRAM, SunRace, SunTour, Chris King and others that are 23. 5mm in diameter. It also fits some Shimano and similar disc brake rotor lockrings.