Install the Sport or Leather Tour-Pak carrier in a comfortable back-supporting position. The rack is designed to position the Tour-Pak Luggage for solo riding and is adjustable over a .75" range. Simply remove the Tour-Pak Luggage from the convenient detachable hardware, add a Passenger Pillion and the bike is ready for two-up riding. Tour-Pak, Passenger Backrest Pad and Docking Hardware sold separately.