Park Tool Chain Wear Indicator Gauge, CC-4.2 Rear Derailleurs UPC: 710845861550

UPC: 710845861550

left-side/front is 2-Speed

Matte black finish with Carbon weave texture showing

UPC: 689228328273

149698-Q0-L

Park Tool Chain Wear Indicator Gauge, CC-4.2 Rear Derailleurs UPC: 710845861550PK7862: measures chain pin distance for stretch wear. Calibrated gauge and windowed arm provide readings PK7864: designed to be a Go No Go indicator gauge for chain wear. Indicates when a chain reaches . 5% and . 75% wear points PK7866: designed to be a Go No Go indicator gauge for chain wear. Compatible with chains 5 13 speed including SRAM T Type, SRAM Flattop, Shimano XTR12 speed, and Campagnolo Ekar 13 speed chains. Also compatible with single