The Nishiki Seatpost Cargo Rack gives cyclists an easy and convenient way to securely pack on more gear during their rides. Tough and durable, it is constructed from hard aluminum alloy tubing. Requiring no frame mount, this rack can adjust fore and aft and can flip over for hassle-free installation. Features: Mounts directly to most standard seatposts, no frame mount required Lightweight and compact Secure tie-down rails Durable, high-quality aluminum alloy construction Length designed to be shorter than the back wheel for added clearance Reflector not included 22 lb. max weight capacity 670g product weight