Mighty Chain Wear Checker Tool
Chains take a lot of punishment so it's worth keeping an eye on them to prevent accelerated drivetrain wear and poor shifting. This chain checker will quickly and easily measure the wear of your chain so you know when to replace it.
Quick and easy chain measurement.
Measures 0.75 and 1.0 chain wear, simply flip it over to change.
Fixed, no moving parts to worry about or wear out.
M-Wave / Mighty Tools / Ice-Toolz