How to Install the chainring on a mountain bike
The chainring is without a doubt the most intimidating part of a bicycle. It looks like a ninja star from hell, and working with it can be difficult. This video features a professional mountain bike mechanic demonstrating how to install a chainring on your bike yourself. If you ride a lot, this is something you are going to have to do eventually, so learn it now, and don't get you leg stuck between the chainring and the chain! Painful.