Dan, an REI Outdoor School instructor, demonstrates how to properly shift your mountain bike in this video. Any bike that has gears in the back is going to have a mechanism in the front of the bike on the right-hand side that allows you to shift the chain across the gears.<br /><br />http://www.rei.com/bikeyourdrive<br /><br /><br /><img src="http://ll.broadbandsports.com/images/25618_thumb.jpg" alt="How to Safely Shift Your Mountain Bike Video" title="How to Safely Shift Your Mountain Bike Video" width="150" height="90" alt="How to Safely Shift Your Mountain Bike Video"/>
