Park Tool CT-5 - Mini chain Brute chain tool for 5-10 speed chains
Overview
A chain tool that is small enough to go anywhere, yet which performs like a full size workshop toolFine 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