Description:Constructed of aluminum alloy and machined with an advanced manufacturing process for better performance and durabilityRisers allow you to elevate your handlebar for a more upright positionReduce arm and increase comfort, a solid plus to riders of any level.Easy installation. Can be installed within 1 minuteRelocates handlebar for easy streering and controlling.Specification:Thread Size: M12x1.75Screw Thread Diameter: 10.4mmMounting Hole Diameter: 28mmNote:Please check the size measurement carefully before making payment.Package Content:2 x Motorcycle Handlebar Riser Clamp4 x Screw.