The technical description of our product highlights a precision-stamped chrome vanadium chain wear indicator that boasts a satin chrome plating, providing exceptional corrosion resistance. This indicator is designed to offer effortless usability and is highly accurate in determining chain elongation of 0.75% and 1% or more. Notably, it is compatible with chains of varying speeds, including 7, 8, 9, 10, 11, and 12-speed chains.Key Features: Crafted from precision-stamped chrome vanadium material Features a satin chrome-plated finish for superior corrosion resistance Offers ease of use and delivers precise results Capable of detecting chain elongation of 0.75% and 1% or more Compatible with chains of 7, 8, 9, 10, 11, and 12-speed configurations Supplementary Product Information: Inclusive Contents: 1 x Chain wear indicator Packaging Details: Dimensions (m): Length: 0.08 Width: 0.17 Height: 0.01 Weight (kg): 0.05