The SR-18.2 Chain Whip securely engages 1/8" fixed-gear sprockets and single-speed cassettes during the removal process, making it an essential tool for bike maintenance. The SR-18.2 also incorporates a 1" box-end wrench to drive Park Tool Freewheel & Cassette Lockring Tools. The tool is heat-treated to prevent bending or flexing, and features hardened pins to keep the chain in place. Long ergonomic molded handle provides leverage and extra comfort. Reliable Park Tool sprocket remover/chain whip to remove any cassette from your wheel. Compatible with 1/8" fixed-gear sprockets Compatible with 1/8" single-speed cassettes 1" (25.4 mm) box-end wrench fits Park Tool freewheel / cassette lockring tools Length: 35.5 cm (14")