Unior 1670.8/2BI-US Integrated Cassette Lockring Tool w/ Guide Pin Description: The 1670.8/2BI-US Integrated Cassette Lockring Tool w/ Guide Pin is designed to install and remove Shimano and SRAM cassettes as well as internally splined Centerlock lockrings. This tool is crafted from hardened tool steel that will shrug off use and abuse and features specially designed teeth along with a guide pin for 9mm quick release hubs for a tight engagement. The integrated handle is long enough to remove even the most stubborn lockrings, and the ergonomic dual density handle eases the pressure on hands during hard efforts. If a specific torque rating is needed during final tightening down, the tool can be attached to a 1/2" drive torque wrench. Features: Hardened tool steel construction will hold up to years of use and abuse Integrated design with dual density ergonomic handle provides plenty of leverage, a secure grip, and comfort when tackling stubborn lock rings Will accept 1/2" drive torque wrench if specific torque number is needed during final tightening Cassette tool w/ pin is designed to fit into internal splines of Shimano, Sun Race, Suntour, and SRAM cassettes, as well as centerlock brake rotors on hubs with 9mm quick release axles