The Pro Roller x100 combines the refined look of fine luggage with the hardworking functionality of a mobile studio to deliver the ultimate in security and organization. It is designed for travel, with heavy duty premium wheels that can be removed (if desired), and are user replaceable with an Allen wrench if damaged or worn.Lowepro’s exclusive Lock & Go System combines oversized zippers that are connected by a retractable cable to an official TSA 3-digit combination lock to provide security of valuable gear especially when baggage check in is required. The Pro Roller x100 also features Reserve Pack. Simply unzip the bottom of the roller and remove the interior to create an impromptu backpack for portability while on location. This feature is ideal if a last minute downsize to carry on luggage is required, such as with regional carriers. Zip the front panel closed on the roller assembly, check it as baggage and take the camera gear on the plane. A retractable TelePod handle features left and right hand operating buttons and a ¼"-20 threaded accessory mount, serving as a makeshift platform for lighting or shooting. The Pro Roller x100 provides the ultimate in convenience, security and flexibility for the truly mobile photographer.