RAM X-Grip Large Phone Mount with RAM Torque Medium Rail Base (RAM-B-408-75-1-UN10U) (sku 50926)RAM X Grip Large Phone Mount with RAM Torque Medium Rail Base (RAM B 408 75 1 UN10U) Take your mobile entertainment on the road with the new RAM Torque handlebar and rail mounting base. We've paired a B sized 1'' rubber ball base that accommodates bars 3 4'' 1'' in diameter with a B sized standard length arm the dynamic X Grip for larger phones. Sizing inserts are included to provide a snug fit and offer additional protection for the rail. The mount