Introducing the pyramid studded quick release 2.1. This version of quick release features features many options that conventional ball-locking quick release system do not. The Generation 2.1 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. Features a CNC machined black, neo chrome, glow in the dark( Green), and chrome gold color ring for added style. Each unit is made from the highest quality aircraft grade aluminum and is anodized for maximum durability and finish to raise awareness inside the cockpit.