I'm 18 and I just started biking for exercise. Right now I am using a mountain bike, but I want to buy a road bike eventually. I have a 8 mile loop that I ride almost everyday. It has a lot of hills.
I usually just keep my bike on one gear, but from reading some answers here that seems to be a mistake. I keep the gears so that I am pedaling hard but not as much. Will someone please explain rpm to me?
Lastly, did I start too late in life to be able to compete successfully?
Sorry for all the questions, but I'm a real beginner.
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