The Rib Cage II is not only a slim, lightweight bottle cage, but was also designed with aerodynamics in mind. Of course, it also serves its primary purpose of keeping beverage bottles safe so you don&';t lose a bottle when the road becomes bumpy. The SWAT (TM) solution enables tool integration. The low bottle position improves the aerodynamic profile. The special design offers safe bottle removal with easy accessibility. Reinforced composite material improves durability without adding weight. Sleek, minimalist design with crisp graphics Compatible with SWAT (TM) Cage Mount Road or MTB Tool Compatible with the MTB SWAT (TM) Box (when used on a suitable frame) Weight: 33 g