15 different mounting positions for easy reach; Wind tunnel-proven zero drag when fixed in the high position; Anti-flex design prevents whiplash bottle launching; Anti-launch optional XLAB Gorilla cages help retain bottles; Vibration-resistant hardware, Loctite, Lock washers, Nylock nuts; Possibility to mount 2 cages on side; Corrosion resistant mounting hardware to combat the elements; Includes Turbo Wing carrier, 1 pair of X-Straps, mounting hardware and instructions