Mustang, Sport solo seat, with rider backrestPlain black. 15" wide. With rider backrest. The backrest is easily removed when not required. Note 1: Mustang solo seats & passenger seats cannot be mixed with OEM solo or passenger seats. Note 2: Solo seats with a rider backrest require a recessed passenger seat; the recessed section provides the necessary space for the rider backrest. Note 3: For matching passenger seats see 537247 Standard (8" wide); 537264 Sport (11" wide); 537252 Wide (14" wide).