This "top shelf" rack is the perfect match to the Outpost Rear World Touring Rack. The top rack is removable and allows you to go stealth, or keep it on for extra carrying flexibility. Blackburn Fit System: The Blackburn Fit System allows you to mount your rack perfectly whether you're running 26", 29" or 700c wheels. The system is disc compatible and will work with most brake or frame mounts. Features: Removable top rack Works well with most suspension forks Low and high pannier mounts Aircraft-grade 6061 aluminum tubing 20.5kg / 45lb carrying capacity