The 2.5 Quick Release was our first update to our already successful 2.0 series, with the addition of a paddle extension to aid in the removal of the Steering Wheel. Also features many options that conventional ball-locking quick release system do not. The Generation 2.0 is specially engineered with raised sections to prevent the scratching and stretching of the hub while a self locking feature adds increased safety and functionality. Each unit is made from the highest quality aircraft grade aluminum and is anodized for maximum durability and finish. 6061 Aluminum 6x70 and 6x74mm Bolt Patterns Universal Added leverage to the release mechanism via the paddle extensions.  NRG Innovations Products are designed for off road use only. Keep it on the track.