Super B Shimano/SRAM Freewheel and Cassette Remover 12mm Tool
. For Shimano, SRAM, Sun Race, Sun Tour, Chris King and other cassette lockrings with 12mm diameter thru axle hub
. Features a 12 mm guide pin to remove/install cassette lockrings from thru axle hubs stably
. Use with TB-8830 universal wrench or 24 mm open wrench