For removing and installing cassette lockrings on Shimano-compatible freehub bodies and some Centerlock disc brake systems.

• Fits 12-spline cassette lockrings from Shimano, SRAM, SunRace, SunTour, Chris King and others
• Center bore for axle clearance is 12 mm
• Fits disc brake lockrings and lockring adapters with 12 internal splines from Shimano and other brands
• Fits top cap of some RockShox suspension fork models including Pike, Lyrik, SID, Revelation, Reba, and Paragon
• The 1" hexagonal base can be used in conjunction with a socket, wrench, or bench vise
• Heat-treated alloy tool steel construction for a lifetime of use