The new Park Tool chain tool that is small enough to go anywhere, yet which performs like a full size workshop tool.

Compatible with 3/32" 5 to 12-speed derailleur chains and Campagnolo 13-speed derailleur chain.

• Fine thread and slide-away T-handle gives plenty of pressure at the pin head to move stubborn chain rivets 
• Includes a loosening shelf to release stiff links after assembly 
• Replaceable driving pin head 
• Weighs just 77 grams