RAM Mount RAM Torque 1 1/8" - 1 1/2" Diameter Handlebar/Rail Bae with 1" Ball, Medium Arm and X-Grip for Larger Phones [RAM-B-408-112-15-UN7U]RAM Torque 1 1 8" 1 1 2" Diameter Handlebar Rail Base with 1" Ball, Medium Arm and X Grip for Larger Phones Take your mobile entertainment on the road with the new RAM Torque handlebar and rail mounting base. Weve paired a B sized 1 rubber ball base that accommodates bars 1 1 8" to 1 in diameter with a B sized standard length arm and the dynamic X Grip for larger phones. Sizing inserts are included to provide a snug fit and offer additional protection