12th Anniversary NEW NRG QUICK RELEASE GEN 2.2 BLACK BODY and NEOCHROME RING SRK 220BK 10th Year Work Anniversary Someecards NRG S W QUICK TILT W LOCK. The SRK 200BK 1 generation 2. 0 Quick Release 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. Features a black body with Black ring for added style and look. Each unit is made from the highest quality aircraft grade aluminum and is anodized for maximum durability and finish.