Park Tool CT-6.2C Folding Chain Tool
The CT-6.2 works like a shop chain tool but folds compactly for taking on the road or trail. Features a cast steel body, stainless steel case, replaceable pin (part # 985-1C), and loosening shelf for tight links. The fold-out handles provide superior leverage to push chain rivets in and out easily. Works on 5 to 10-speed derailleur chains.