The LiftMaster G2770 10‑Foot Belt Drive Rail Assembly is a one‑piece rail designed for use with compatible LiftMaster and Chamberlain belt drive garage door openers, ensuring smooth and quiet operation with 10 ft (3 m) doors. Always consult your opener’s manual for compatibility before ordering to guarantee proper fit and reliable performance.
One‑piece 10 ft belt drive rail assembly suitable for residential garage doors up to 10 ft tall
Provides stable, quiet operation with compatible LiftMaster and Chamberlain belt drive openers
Also known by alternate part numbers: 2770BD, MR2770BD, 2770PL, 012381227709, MR2770BDC, 2770BDC
Compatible with LiftMaster opener models 87504‑267 and 84501