Oversized centre hole and thin wall design allows use without removal of cones and locknuts Oversized centre hole and thin wall design allows use without removal of cones and locknuts Investment cast and heat-treated for strength and durability 1' base fits end of SR-1 FRW-1 Park tools or simply an adjustable wrench or bench vice Fits most four notch BMX freewheels including hubs with 14mm oversize axles Made in the USA and covered by Park Tool's legendary limited lifetime warranty
