●*Fit Clamp Diameter(middle of handlebar):31.8mm,Handlebar Width:400mm/15.75",440mm/17.32" ●*Material: High strength 6061 aluminum alloy, outer diameter of bar end: 22.2mm ●* Shaped to provide many hand positions for speed and comfort ●* Loudspeaker handlebar suitable for road horn, fixie bike, messenger style bike ●*Package included: 1 X Bike Horn Handlebar