Lowbrow Fuel Reserve Bottle. Holds 30 fl. oz. (887 ml) of fuel. These are ultra light, seamless extruded aluminum. Lacquered interior for superior durability and protection. These are NOT water bottles! O-ring sealed cap. Height 10-5/8 inches and Diameter 3-1/8 inches. The Lowbrow , sold separately, is a convenient and low-cost way to secure your fuel bottle during your travels. You can also buy a as a set and save yourselves some dough! to see all Fuel Reserve Bottles and carriers in one convenient place. Securely mount a Fuel Reserve Bottle to your motorcycle in moments using a ballistic nylon or leather Reserve Bottle Carrier. Perfect for cruising around town or long-distance hauls. When you need it, you need it!