Constructed from durable reticulated polyethylene, it's an absolute must for rally riding and long-distance travel. Johnny Campbell approved and tested! 24 liter capacity (6.3 U.S. gallons) Complete with aluminum fitting and plastic gas cap. Also mounts dry brake system for quicker refilling. Constructed from durable reticulated polyethylene, it's an absolute must for rally riding and long-distance travel. Johnny Campbell approved and tested! 24 liter capacity (6.3 U.S. gallons) Complete with aluminum fitting and plastic gas cap. Also mounts dry brake system for quicker refilling.