Chain is 31" long including connecting link.

Chain drive with master link fits Stairmaster stepper models that are equipped with a transmission. Stairmaster steppers equipped with a transmission will have serial numbers beginning U and digits up to 120060522000.

This chain is not compatible with stepper units that are equipped with an eccentric hub assembly (with Poly-V pulley) and reduction shaft assembly (with Sprocket/Gear pulley).