Rockarmor Twin Jerry Can Holder With LockSuits Rockarmor Rear Wheel Carrier Jerry Cans not included Rear Number Plate Light not included Stores 2 x 20 litre Jerry Cans STORE UP TO 40 LITRES OF WATER & FUEL The Rockarmor Dual Jerry Can Holder, has been designed in a way where you can easily adapt the dual jerry can holder to your existing Rear Wheel Carrier swing arm. Unlike other jerry can holders out there, with the Rockarmor dual jerry can holder you don't have to purchase a swing arm,