The new S-Works Carbon Rib Cage III keeps the 100% FACT carbon fiber construction of yesteryear, but it ups bottle retention for super rough roads. The split design also provides pre-load to hold bottles securely, while making bottle entry as easy as possible. - FACT carbon construction creates a splendid fusion of strength, optimal bottle retention, and light overall weight. - Super-low bottle position improves the aerodynamic profile. - Tuned compression design provides secure bottle retention with easy in-and-out accessibility. - Weight: 24g

The 100% FACT carbon fiber S-Works Carbon Zee Cage II is compatible with SWAT solutions for tool and storage integration. It also features a unique right-side loading design that allows you to easily manage bottles when space on the frame is limited, or for when you're down in the drops. - SWAT design allows for storage and tool integration. - FACT carbon construction creates a splendid fusion of strength and light overall weight. - Side-load design for easy in-and-out accessibility for frames with compact bottle mounting area. - Right-hand loading on the down tube—left-hand loading on the seat tube. - Accepts EMT Cage Mount MTB Tool. - Accepts MTB XC Box (when used on compatible frames). - Weight: 28g