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

• 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 
• Works on most bicycle chains, including 11-speed 
• Weighs just 77 grams