RAM Mounts X-Grip Handlebar U-Bolt Base for Ducati Monster 1200RAM Mounts X Grip Handlebar U Bolt Base for Ducati Monster 1200 The RAM B 149Z UN7U and RAM B 149Z UN10U consist of a zinc coated u bolt base, double socket arm and universal spring loaded X Grip IV cradle for smart phones. Included in this package is hardware that will accommodate bars from 0. 50" to 1. 25" in diameter. The base includes black cover caps to be placed over the exposed ends of the u bolt. The included composite rail adapter can narrow