The Park Tool FR-1 Freewheel Remover Tool is heat treated alloy tool steel, with a one inch base fits wrench or bench vise. Thin wall construction allows use without removal of cones and locknuts. 

Features:

• Fits Shimano, Sachs Aris and Sun Race freewheels
• The FR-1 has 12 splines and is approximately 22.6mm in diameter