The Zee Cage II has incredible holding power, and it's compatible with SWAT™ solutions for tool and storage integration. For easy bottle access, we also gave it a unique side-loading design that allows you take pulls from the left-hand side. Specialized Zee Cage II Features SWAT™-compatible design allows for storage and tool integration. Reinforced composite material improves durability without adding weight. Side-loading design allows for secure bottle retention with easy in and out accessibility for frames with a compact bottle mounting area. Left-hand loading on the down tube—right-hand loading on the seat tube. Sleek, minimalist design with razor-sharp graphics. Accepts EMT Cage Mount Tool.Accepts MTB XC Box (when used on compatible frames). Weight: 43g