The RAM Torque handlebar and rail mounting base has a 1″ rubber ball and accommodates bars 1 1/8″ to 1 1/2″ in diameter. Sizing inserts are included to provide a snug fit and protection of the rail. The mount utilizes nylon-insert locknuts to prevent loosening in high vibration environments. Included is a short double socket arm and a Level Cup. Compatible with any cups, cans, bottles or mugs ranging from 2.5″ to 3.5″ diameter.