Liftmaster 71-1550B22LGH Sprocket Kit, 22 Tooth, 1" Bore x 1/4" Keyway with SS
71-1550B22LGH is a 22 Tooth Sprocket Kit 1" Bore x 1/4" keyway (50B22). For use with various LiftMaster® Logic 4.0/5.0 and MAXUM DC Standard-Duty and Industrial-Duty Commercial Door Operators. Refer to the installation manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
