Well, it'd really depend on how hard, for long and how often you ride. But bike riding can help shape and strengthen your legs.
You sure can mate, just get a bigger tyre and clip it on, and there you go theres a bigger bike. BRUM BRUM! Have fun riding! XXX
The easy answer is, neither bigger or smaller. Your butt is just sitting there. Think of aerobic exercise as a whole body exercise. However, it will get smaller if you are starting with a more than average fat supply. And, if your intensity and mileage is high enough, you will be building muscle in your legs, and butt area, but most people will not experience a bigger butt.
a bike ride exercises your quadraceps and so yes it will build up muscle on your thighs, making them bigger
is a bike mechanical
In German, you say "Fahrrad fahren" to mean riding a bike.
riding a bike can have an advantage over a plane because if you don't want to pay money than a bike is better and that riding a bike gives you cardio.
on a bike
The person who is riding the bike dies...if you hit him/her hard enough.
Yes it is. I do like riding my bike. I did like riding my bike
Muscles are what makes your body move, whatever you do. So you need them for bike riding too.
I don't think so because Jet skis seats are bigger and as your riding you have water spraying in your face