Park Tool SR-18.2 Sprocket Remover / Chain Whip

The SR-18.2 combines a chain whip and a 1-inch box-end wrench into a single tool. This allows you to hold the cassette in place with the chain whip while simultaneously using the integrated wrench to turn your lockring tool, effectively replacing the need for two separate tools.

Yes, while the tool is designed for 1/8-inch chains and sprockets, the chain whip portion is compatible with virtually all multi-speed cassettes, including 7-speed through 12-speed systems. The chain on the tool is designed to wrap around the sprockets to hold them steady regardless of the cassette's speed.

Yes, the handle is molded with a grip designed to reduce hand fatigue. It provides enough leverage and comfort to apply the significant force often required to loosen a seized or over-tightened cassette lockring.

Yes, you will still need a cassette lockring tool (such as the Park Tool FR-5.2) to interface with the lockring itself. The SR-18.2 acts as the holding mechanism to prevent the cassette from spinning while you use that lockring tool.

The tool is made from heat-treated steel, which is specifically engineered to resist bending or flexing under the high torque required for drivetrain work. It is built to withstand the rigors of daily use in a professional shop environment, so it will easily last a lifetime in a home workshop.