High quality thicken aluminum alloy, hardness and durable to use. Not easy to cause deformation as the steel material. Easy to install and remove. Fitment: Universal for the motorcycle with 30mm-50mm diameter fork tubes, just like: for Honda, for Kawasaki, for Suzuki, for Yamaha, for Triumph, for Norton, for BSA, for Ducati, and for Harley, etc. Specifications: Material: 6061-T6 Aluminium alloy Color: Silver Finished: Anodized Installation bolt hole: 10mm Fork Diameter:27mm/30mm/31mm/32mm/33mm/35mm/36mm/37mm/38mm/39mm/41mm/43mm/45mm/46mm/48mm/49mm/50mm/52mm/54mm/55mm Package included: 1 Pair high quality motorcycle headlight mount bracket