Mutazu 283900057 Harley Sportster Detachable Sissy Bar with luggage rack (HD-6) Comfortable Curved shaped cushion 10" x 8.5" Backrest upright 15" height, 8.75" c-c width Mounting plates, 7.25" c-c (compare to fit 53913-04) Luggage rack Docking hardware is required for use, not sold in our store