universal mounting ZAH ZA outputs: ZA01, ZA02, ZA02C, and BS10/11 (when BSH holder is mounted) If there is no attachment with zip ties for the handlebar or linkage desired, the accessory allows the mounting of the ZAH Plate socket with a stable screw mount. after riding the bracket plate socket angle simply plugs in and committed. - For handlebars or stems with a diameter of 22-28 mm - Stainless steel screws - Also to facilitate the adaptation of the sockets of the assembled plate