WheelMark
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Chain care

Chain wear calculator

Mileage can tell you when to inspect a chain, but only a chain checker can tell you actual elongation. Use this as a simple starting point.

01 / Inputs

Tell us about the chain

This estimates when to inspect. It cannot measure chain elongation.

Make it automatic. WheelMark can turn your ride history into mileage, component, and service reminders. See how WheelMark works →