BIKE HAND Bicycle Chain Wear Indicator Tool Chain Checker - Compatible with Shimano Sram Campagnolo KMC & Other Brands for 7 to 12 Speed Chains - Maintenance for Road, Mountain & Hybrid Bikes
Chain Wear Indicator
A worn chain shifts poorly and wears sprockets at an accelerated rate. 0.75% and 1%, the points at which chain experts suggest replacement
High quality
Made in Taiwan
One year warranty