Unior 1644/6 Chain Wear Indicator Hot Melt the wheels feature buttressed internal

the wheels feature buttressed internal flanges

Developed in the controlled environment of a wind tunnel to excel in the controlled environment of a velodrome

Measuring threads isn't difficult if you have a vernier caliper or a thread gauge

Made in Italy

When used on Presta-drilled rims (valve hole diameter: 6

Unior 1644/6 Chain Wear Indicator Hot Melt the wheels feature buttressed internalThe perfect tool to keep your bike's drivetrain in top condition. Made from precision, laser cut steel, this indicator precisely measures chain wear at levels where chain manufacturers commonly suggest replacing the chain (0. 5% and 0. 75%). The three point tool design isolates pin wear from roller wear, ensuring accurate results. Use the QR code to watch the instruction video. It works on all 6 13 speed chains, including SRAM flat top chains. As a