Park Tool Chain Wear Indicator Gauge, CC-4.2 Rear Derailleurs UPC: 689228328273

UPC: 689228328273

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UPC: 710845861550

122342-Q0-L

24mm external

Park Tool Chain Wear Indicator Gauge, CC-4.2 Rear Derailleurs UPC: 689228328273PK7862: 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