Black Mirror Approved (e3), for fastening inside the handlebar. Reversible for positioning both on the right or on the left side. Can be installed on handlebars with internal diameter of 18 or 22mm and foresees the use of knobs with perforated ends. Mirror surface 140x80mm. Articulated arm for adjusting on multiple positions along 12cm (sold in packs of n. 1 piece).