2Pcs Handlebar Risers Heighten Garage fit for Honda NC750x Dct 2014 - 2015 "has a beautiful appearance, making your motorcycle look better, which having high precision ,stable, and high reliability effect." Just slide the stem extender onto the steerer tube and tighten it, very easy to fit. The handlebar height adapter is made of refined aluminum alloy, high toughness, no deformation, corrosion resistance, sturdy and durable.