10 x CNC Street Fighter Aluminum Motorcycle Windshield Windscreen Bolt Screw Kit red Fit For Honda RC51/RVT1000 SP-1/SP-2 2000-2006 Bolt color:red Tensile strength is 0-560Mpa; which is stronger than mild steel 60% lighter than steel and 40% lighter than Titanium CNC machined from 7075T73 aluminum for smooth finish. Bolt heads are cold formed and the shanks threads are rolled