KMC Digital Chain Checker, Black/Silver

• Accurately measures chain wear, preventing early or late chain replacement and unnecessary wear on other drive chain components
• Measures in inches or millimetres, accurate to one hundredth of a millimetre
• Compatible with all speed chains including 12 speed
• Metal with large LCD display
• Uses x2 CR2032 watch battery (included)
• Beautifully made and presented in its own protective box

KMC Digital Chain Checker Chain Wear Indicator The KMC Digital Chain Checker is a precision instrument engineered for professionals and serious cyclists who demand accurate, repeatable chain wear diagnostics. Unlike simple go/no go gauges, this patented tool uses a digital micrometre system to measure chain stretch with scientific accuracy—up to 2.5 mm of elongation, with readouts precise to 0.01 mm. Designed to work with all chains up to 12 speed, the checker supports both derailleur and internal hub drivetrains and is compatible with Shimano, Campagnolo, SRAM and KMC chain systems. Its stainless hardened steel body ensures durability, while the integrated functions—including zero calibration, metric/imperial switching, and a slide lock screw—make operation fast and intuitive. Perfect for riders who want to maximize drivetrain life, reduce long term maintenance costs and ensure optimal shifting performance, the KMC Digital Chain Checker delivers workshop level precision in a portable, easy to use format. Each tool includes a protective storage case, two batteries, and a printed wear range reference panel, making it ready to use straight out of the box. A battery-powered chain checker. It gives accuracy to one hundredth of a millimetre, so if you want to keep a very precise eye on your chain wear, you'll appreciate this tool. We found It complicated to set up, but once done it is very accurate. - Cycling Plus -