Weight is roughly 10x as important on bikes. My bike is 400lb and its not a heavy bike. The ratio of gas weight to total weight. 5 gal tank, what 8lb a gallon?

Weight is roughly 10x as important on bikes. My bike is 400lb and its not a heavy bike. The ratio of gas weight to total weight. 5 gal tank, what 8lb a gallon? So a very small part of the total weight of the bike. They're physically harder to handle at larger sizes.