RAM Handlebar U-Bolt Mount with Universal RAM® X-Grip® Large Phone/Phablet Cradle RAM-B-149Z-UN10URAM Handlebar U Bolt Mount with Universal RAThe RAM B 149Z UN10U consists of a zinc coated u bolt base, double socket arm and universal spring loaded RAM X Grip cradle for large phones and phablets. Included in this package is hardware that will accommodate rails 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 the rail to a minimum