The SR-1 Sprocket Remover and Chain Whip from Park Tool has been around for many years and is a staple for most bike shops and home mechanics. It is durable, reliable and inexpensive making it an easy choice for a home mechanic with 5-10 speed drivetrains to service.

The SR-1 design features a combination chain whip and freewheel/lockring remover wrench is heat treated to prevent bending and flexing. It also has hardened pins to keep the chain in place and a comfortable handle. The hexagonal opening fits Park Tool and many other freewheel removers.