The Magic Triangle is a simple way to set up your bike for your body and riding style.

Put simply, it's the triangle formed by:

1. Seat Height - distance from bottom bracket to top of middle of seat
2. Rider Area Distance (RAD) - distance from bottom bracket to the intersection of the middles of your grips
3. Seat-Bar Reach - distance from top of middle of seat to to the intersection of the middles of your grips

The calculators in this lesson make it easy for you to find the ideal dimensions of your Magic Triangle. Keep reading ...