The Genie 108911.0001.S is a genuine OEM service replacement sprocket designed for Genie commercial door operators using #65 chain drive. This #65 Chain 10T Sprocket 5/8in Bore Keyway is manufactured to Genie factory specifications, ensuring accurate chain engagement, reliable torque transfer, and minimal downtime during maintenance. Constructed from Steel, the 108911.0001.S maintains dimensional accuracy for consistent chain tracking. Always verify the chain size, tooth count, and bore diameter match your operator's drive assembly before installation. Using genuine Genie service replacement parts preserves drive train integrity and extends the service life of the complete operator.
A: #65 chain has a pitch of 3/4 inch, meaning each link is spaced 3/4 inch center to center. This is a heavier chain than #41 and is not interchangeable with #41 sprockets.
A: The keyway provides a positive mechanical lock between the shaft key and the sprocket, preventing rotational slippage under load without relying solely on a set screw or friction fit.
A: No. #65 chain has a 3/4 inch pitch and #41 chain has a 1/2 inch pitch. Sprockets are not interchangeable between these two chain standards.
A: The bore is 5/8 inch. Confirm your operator output shaft is 5/8 inch diameter and has a matching keyway cut before installing this sprocket.
A: Reference your Genie operator service documentation or contact Genie support with your operator model number to verify 108911.0001.S is the correct replacement.
