HOUSON bicycle chain wear gauge, bicycle chain knife chain checker multi-tool chain wear indicator for bicycle repair

【Package】Bicycle chain wear gauge, 【Material】The chain checker is made of high-quality stainless steel material, 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 knife is suitable for most bicycles. E.g. bicycles, touring bikes, mountain bikes, racing bikes and folding bikes.