Car Well rear bike rack & Single Pannier Rack bed Size 13.5" lg x 5" w 13.5" from top of rack frame to bottom frame mounting holes Takes top rack bags and panniers Attaches to saddle seat post with adjustable stays Rear Reflector attachment hole Easy to install Excellent new condition with no use Mongoose single pannier Water resistant 14 " x12" W x 6" main Extra Large front zipper pocket for extra bike gear Approx 18 L capacity Reflective strips Pannier is not new but in very good condition Sold as a set only for $55 *******************