Bicycle Chain Inspector Mountain Bike Chain Measuring Ruler Bike Wear Indicator Tool

Feature: 1. Made of carbon steel material, with good wear resistance, durable, long service life. 2. Using flat design, light and does not occupy space, easy to carry and storage. 3. Can measuring wear rate of the chain to determine if a new chain is needed, effectively preventing flywheel wear. 4. Adopt high quality steel, not easy to rust, reduce the replacement. 5. Compatible with chain with single speed 678910, meet your different needs. Specification: Item Type: Chain Wear IndicatorMaterial: SteelQuantity: 2PCSWeight: Approx. 76g 2.7ozSize:Length: Approx. 140mm 5.5inWidth: Approx. 47mm 1.9inDetect Chain: Single Speed 678910Purpose: CyclingFunction: Measuring Ruler . Package List: 2x InspectorMade of carbon steel material, with good wear resistance, durable, long service life. Using flat design, light and does not occupy space, easy to carry and storage. Can measuring wear rate of the chain to determine if a new chain is needed, effectively preventing flywheel wear. Adopt high quality steel, not easy to rust, reduce the replacement. Compatible with chain with single speed 678910, meet your different needs.