Park Tool SR-2.3 Sprocket Remover/Chain Whip. This shop quality chain whip gives you incredible leverage without worry of slippage and the head is uniquely shaped to allow quick and accurate access to any cassette or freewheel.

Works on 5-speed to 12-speed mountain and road bike cassettes and freewheel

Hardened bolts hold securely and make chain replacement easy

Heavy duty heat treated head

Round vinyl coated handle

The SR-2.3 is approximately 15" long (38cm)