Quality cycle chain wear indicator gauge tool to check for stretched chains.

This chain wear tool indicates if the chain has been stretched by less than 0.75% or greater then 1%, chains with wear above 1% should be replaced.

Precision-stamped chrome vanadium chain wear indicator with satin chrome plating for corrosion resistance.

Easy to use and accurately indicates chains stretched by 0.75 and 1% or more.

Compatible with: 7, 8, 9, 10, 11 & 12-speed chains.