Bike Seat Post Rear Rack, 80% Steel 20% Plastic rack for seatpost fixation. Silver, Capacity of 35 LB, Reflector included by Biria Steel MTB rack for seatpost fixation. Silver with tool box with patch kit, Capacity of 35 LB Bike Seat Post Rear Rack, elastic strap. space for mini-pump, bungee cord strap that stretches full Large Reflector included