Park Tool SR-12.2 Chain Whip Tool

Features:

• Works on 7- to 12-speed road and mountain bike cassettes
• Also compatible with single-speed cassettes with a 3/32" cog
• 1" (25.4mm) box-end wrench fits Park Tool Freewheel / Cassette Lockring Tools
• Features hardened pins to keep the chain in place

Updated to fit current 12-speed cassettes, this combination chain whip and freewheel / lockring remover wrench is heat treated to prevent bending, flexing and wear and features a long, molded handle in addition to a built in hex shaped driver.