The Park Tool FR2 Freewheel Remover is a heat treated cassette lockring tool with a one inch base to fit wrenches or a bench vice. The FR2 features a thin wall construction which allows use without the removal of a wheels cones or locknuts. Use for Suntour 2 Pin cassette lockrings only. Fits Suntour 2 Pin cassette lockrings only. Oversized centre hole. Thin wall design allows use without the removal of cones and locknuts.