Dynamic Double Checler

The Dynamic Double Checker is a compact, laser-cut tool for accurately measuring chain wear and brake disc thickness. With its integrated chain hook and ruler, you can take quick and stable measurements during fitting. A worn chain or a disc that is too thin leads to faster wear and unreliable braking performance.

With the Double Checker, you’ll know exactly when replacement is needed, ensuring you continue to ride safely and that your drivetrain lasts longer. Suitable for all 7–13-speed chains, including SRAM Flattop, Shimano and Campagnolo. The three-point design measures pin wear and eliminates the influence of roller wear.

The labelled slots are tailored to discs from SRAM, Shimano, Campagnolo, Hope and Magura. Suitable for all 7–13-speed chains, including SRAM Flattop, Shimano and Campagnolo. Accurate brake disc thickness measurement with brand-specific measuring slots: SRAM, Shimano, Campagnolo, Magura and Hope Made from anodised aluminium: light, strong and Dynamic purple Instructions are marked on the tool; no manual required Integrated chain hook makes fitting and removing your chain quick, easy and safe