ITEM NAME:Portable Bicycle Repair Tools Chain Wear Indicator Tool Chain Checker Black Description: - A worn chain shifts poorly and wears sprockets at an accelerated rate. - 0.75% and 1%, the points at which chain experts suggest replacement. - Compatible with all chains. - Easy to use. Specification: - Material: Carbon Steel - Total Length: Approx. 140.5mm / 55.3inch - Width: Approx. 47mm / 18.5inch Package Included: 1 Piece Chain Checker Note: Product chain size: .75 means that the chain is stretched 0.75mm for every 11 knots. 1.0 means that the chain is stretched by 1mm every 11 knots..1 Piece Chain Checker. - A worn chain shifts poorly and wears sprockets at an accelerated rate. Product chain size - Total Length: Approx. - Width: Approx. - Compatible with all chains.
