The Roller Derby is part of ThinkTank’s Airport series. It has been designed to be as smooth and easy to manoeuvre as possible, for minimal muscle fatigue even when fully loaded. This spacious case has a large gear profile (12.6” W x 18.5” H x 5.5–7.5”). For example, it can hold a Canon 5DMIII with 70-200mm f/2.8 mounted, 1DX with 24-70mm f/2.8 mounted, 16-35mm f/2.8, 90mm TS-E, 2x Extender, 580EX or a Nikon D700 mounted to 70-200mm f/2.8, D810 mounted to24-70mm f/2.8, 14-24mm f/2.8, 105mm f/2.8 macro, 50mm f/1.4, SB900.