Another thing that makes a night and day difference: set your saddle height correctly. So often I see people on bikes with the saddle set so low that they can'

Another thing that makes a night and day difference: set your saddle height correctly. So often I see people on bikes with the saddle set so low that they can't get any power from their legs. They must all think, wow: "biking sucks." Your seat should be set high enough that your leg almost straightens at the bottom of the stroke. I unsure got to a bike shop and ask them to help you.