alpha Racing Gearbox Rearset Lever BMW S1000RR/HP4 (2010-, 2015-), for alpha Racing footrest system made from precision CNC machined billet aluminium. alpha Racing utilizes state-of-the-art computer automated design and experience in World Superbike Championship and brings you the very best in BMW S1000RR/HP4 billet parts. These special parts are high speed CNC machined, completely milled from high-strength aerospace grade billet aluminium and hard anodized for superior finish, ultra-lightweight and extreme durability.