The rib cage ii and integrated emt cage mount tool pairs a full feature multi tool with lightweight cage designed to hold bottles tight but still allows easy entry and exit super low bottle position improves aerodynamics includes emt cage mount tool with 3 4 5 6 8mm t25 torx and 1 flathead screwdriver reinforced composite material improves durability without adding weight designed with compression for improved bottle hold while maintaining easy entry and exit minimalist sleek design with raz