The dhb wheeled bike bag is designed to make travelling with your bike as easy as possible this starts before your trip begins by keeping bike disassembly to a minimum simply remove the wheels and pedals and turn the stem 90deg the internal frame secures the bike lifts the derailleur and chainset and braces the framefork against crushing it also keeps the bike stable and supported as the bag glides along on its four casters perfect for the dash from the car to the luggage drop off at