The Rocky Mounts quick release is the new standard for innovation in the rack industry. It's included in with all Rocky Mounts racks - the Lariat, Noose, Locking Clutch & Clutch SD and is now available alone to upgrade other bicycle racks. Try it and you will find it to be best quick release you have ever used. Innovative design features a linkage plate that keeps the quick release closed, it will only open when the handle is operated. The large, ergonomic barrel provides intuitive, one handed adjustment - awesome!