Park Tool CC-4 Chain Wear Indicator Bike Brand_Giant and its curved shape and

and its curved shape and forefoot ground contact give you a snappy transition as you take off

Pre-curved design with 3D mesh finger tips for maximum dexterity

Cog sizes: 10-36t: 10

or the backcountry

Park Tool CC-4 Chain Wear Indicator Bike Brand_Giant and its curved shape andThe Park Tool CC 4 Chain Checker is a drop in style gauge that measures bicycle chain wear. The laser cut CC 4 accurately measures a long section of chain and strategically comes in contact with the chain in three places, quickly and easily taking the guesswork out of determining when chain replacement is necessary. The tool works on any 5 to 12 speed derailleur chain (including SRAM T Type, SRAM Flattop, and Shimano XTR 12 speed chains) and is