Sram ChainWEAR CHECKER ToolFeatures SRAM System Compatibility: Works with all SRAM chain models, including both Hard Chrome and non Hard Chrome variants across 8 to 12 speed systems. Accurate Wear Detection: Measures chain stretch with SRAMs 0. 8% wear specification to prevent drivetrain damage. Durable and Portable Design: Compact build fits easily in toolkits or jersey pockets while withstanding frequent use. No Calibration Needed: Provides reliable measurements without