Park Tool Sprocket Remover / Chain Whip SR-12.2 drumbeat21-173 Our proven four-brush scrubbing design

Our proven four-brush scrubbing design cleans chains thoroughly inside and out

The multi-panel construction with flat-lock stitching and soft gripper elastic hems keeps the arm coolers in place ensuring they do not rub

Compatible with systems that use an M12 x 1

Failure to do so could result in permanently bonded parts

- Gradientstretch woven material

Park Tool Sprocket Remover / Chain Whip SR-12.2 drumbeat21-173 Our proven four-brush scrubbing designThe SR 12. 2 Chain Whip holds cassettes in place for easy lockring removal, making it an essential tool for bike maintenance. Works on all 7 to 13 speed road and mountain bike cassettes, as well as single speed cassettes with a 3 32" cog. The SR 12. 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