Planet Bike K.O.K.O. Cargo Rack
You'll keep on keepin' on with Planet Bike's K.O.K.O. Cargo Rack on your bike. Made of 6061 aluminum for maximum strength and stability, it boasts a wide range of adjustability so it's easy to install and fits most bicycles. There's a taillight mount, too (lights sold separately).
Weight limit: 55 pounds