Counterweights HIGHSIDER DOT for mounting mirrors, aluminum and chrome, inner diameter from 12 mm to 22 mm. End Dimensions handlebar Diameter: 35.5 mm Width: 17 mm mounting area for the mirror diameter: 29.8 mm Width: 12 mm Contents of Delivery: 1 piece, mounting kit is included and locking system universal: 2 x handlebar 2 x locking sleeve, D. 12 mm and D. 16 mm. 2 x central sleeve type 1, type 2, type 3. 2 x central screw M6, toothed washer and tapered nut M6.