Park Tool CT-5 Mini Chain Brute Chain Tool – Silver

This small chain tool goes anywhere and actually performs like a shop quality tool. The fine thread, special V-shaped handle, and super strong replaceable pin make chain removal and installation a breeze
 

• 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 10-speed
• Weighs just 77 grams