What makes a triathlon bike a triathlon bike? Check out this instructional cycling video that teaches you about angles, seating, position, aerobars, and the importance of a proper bike fit. In summary from the video, a triathlon bike has a steeper angle for the seat-tube which makes it more vertical thus allowing to get your hips and body more forward in the aero-position compared to road bikes. Triathlon bikes are made for 'aerobars' instead of the curved bars that one sees on road bikes. Watch this cycling tutorial to learn more about the basics of a triathlon bicycle!