The park tool freewheeler remover the fr 12 is designed to remove 5 6 7 8 and 9 speed freewheels made by shimanoreg sun racereg dnpreg sachsreg etc thin wall construction allows the tool to fit the freewheelrsquos 12 splines without removal of the hub cones and locknuts 1 base fits wrench or bench vise made from heat treated alloy steel park tool freewheeler remover features part of a comprehensive range of freewheel removal tools updated from the original