Rear Seat Post Mount Rack Max weight limit 9 kgs 4.75 " wide x 11" long rack bed Total length 18" long Sturdy welded, powder-coated aluminium tubing. Integrated top deck provides protection from road spray. Fits seatposts from 25mm to 32mm (1 to 1¼in) Easy quick seatpost connector so no tools needed Built in red reflector Excellent condition $40 Firm ****************