B&W Bike Box IIShell Made of Rugged ABS Material Perfectly sized for racing bikes and mountain bikes with a frame up to 62cm 4 sturdy, smooth running casters: 2 swivel, 2 rigid 2 carry handles & 2 pull handles Self tightening strap system 2 medium wheel bags Frame suspension Foam block for chainring Chain guard 2 foam pads to protect frame Foam spacer for handlebars Spacers for dropouts and front fork ends Foam tube Lockable with optional TSA approved padlock