Unior 1644/6 Chain Wear Indicator Hot Melt One Axle lock assembly (for

One Axle lock assembly (for one dropout)

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

Suitable for use on tubed tyres as well - our go-to and supplied on all our MKULTRA wheels

A special set of dropout adapters reduce the axle width from 130mm down to 120mm

Unior 1644/6 Chain Wear Indicator Hot Melt One Axle lock assembly (forThe 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