Rear Rack, black quick release, seat post rear rack, Alloy for seatpost fixation, Black, Capacity of 22 LB, weigh 1 1/4lb,by Biria Bike Seat Post Rear Rack, Alloy for seatpost fixation., black Dimension: 12.5 [working length] by 5" [width] Capacity of 22 LB, weigh 1 1/4lb, Reflector included by Biria