The Cyclus Chain Gauge offers highly accurate indication of chain wear and helps in assessing the overall health of your drivetrain. The gauge is spring loaded to offer a graduated insight on the amount your chain has stretched based on a predetermined measurement of wear. Simply squeeze the tool together and place onto the chain rollers. If the indication hits the STOP line it's time to replace your chain before the wear on other drivetrain components starts to increase.
Cyclus Chain Wear Gauge
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