>>1496492go to walmart or amazon and buy the "key paint" in the color of your bike. (that's paint in a teeny tiny container and a tiny brush for when people key your car)
It is about $15 and it will last forever. I don't know why anons say nail polish because that flakes off eventually.
Some people are of the mind that dings on your frame is like mud on your jeep. shows you are using it.