Bicycle Chain Wear Indicator Tool Chain Checker
Material: CNC Aluminum Alloy
Weight: About 42g
The LTJC-001 is compatible with all derailleur chains. For 9 and 10-speed chains, replace chain at or just before the 0.75% readings. For 11 and 12-speed chain, replace at or just before the 0.5% reading. Check with manufacturer for specific replacement instructions.