Givi E450 Simply Monolock Top Case The E450 is one of the most spacious cases in the Monolock range (with 45 liters maximum capacity). Equipped with a wide reflector, it is characterized by its modern design and by its proven automatic opening/detaching system. The Monolock system only requires you to turn the key and press the red button to open or remove the top case from the the bike. The E450 is the ideal midsize top case, as it can hold one large full face helmet (or two small full face helmets) or 45 liters of other gear. Features: Plastic construction Holds 2 helmets Dimensions: 22 L x 16.7 W x 12.7 H Capacity: 45 liters Max load: 6.6 lbs Empty weight: 8.47 lbs Note: All Monolock top cases include a universal plate.