over your toes when you are pedaling - this will lead to knee pain and possible injury. to test seat position, sit on your bike in a safe and stable position and adjust the pedals to be horizontal and parallel to the ground. your knee should be over the ball of your foot. if you drop a plumb line from your knee down to the ground, the string should be near the ball of your foot and the center of the pedal. if this is not the case, move your seat forward or backward on the seat post.
these are just a few tips to guide you in making sure your 