【Material】The chain tester is made of high-quality aluminum alloy, which is hard, robust and not easy to break.
【Portable】This chain wear indicator is small and robust enough to be used as a travel tool for convenient and easy measurement of chain wear
【Easy to use】 Simply insert the chain wear tester into your bicycle chain. When the wear reaches 0.75 = 75%, the chain must be replaced as soon as possible. When 1.0 = 100% wear is reached, the chain must be replaced immediately.
【Wide use】This bicycle chain gauge is suitable for most bicycles. E.g. bicycles, touring bikes, mountain bikes, racing bikes and folding bikes.