Lance Armstrong rode Trek road bikes in his many Tour de France cycling victories. Of course, he did it on a Trek that was custom-fit to his body's every nook, cranny and peculiarity. You might not need a bike that fits as well as Lance's, but size matters when it comes to riding a road bike, regardless of your experience level. Sizing a Trek is not all that different from sizing road bikes produced by other companies.
- Skill level:
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Use your height as a starting point for selecting the right size Trek road bike. As the Trek website notes, individuals under 5-foot-2 generally ride a 43 or 47cm frame. The average 5-3 person rides a 47 or 50cm Trek. At 5-6, Trek suggests looking 50, 52 and 54cm road bikes. Of course, as height increases, so does the proper size bike (5-9 equals 52, 54 or 56cm; 5-11 equals 54, 56 or 58cm; 6-2 requires 56, 58 or 60cm; 6-3 needs 58, 60 or 62cm; and 6-4 rides 60 or 62cm).
Visit your local Trek dealer. As the Trek website notes, height is merely a starting point for properly sizing their road bikes. Trek dealers will assess other aspects of your body, including inseam, torso length, femur length and other features.
Consider the vertical size of the bike. Strive for a frame size and seat height that allows for a slight bend of your knee at the bottom of each pedal stroke. If you are between sizes, the best bet is to go with the smaller bicycle.
Assess the bike's top tube length relative to the length of your torso. The top tube is the part of the frame that extends between the handlebar and seatpost. When your hands are above the brakes of your Trek road bike, your elbows should flex slightly.
Tips and warnings
- Consider a pro fit. Many bike shops have "fit technicians" who can take body measurements and watch you ride your bike on a trainer. During and after this detailed process, they adjust various parts of your bike (e.g., handlebar, saddle, pedals) to achieve optimal fit.
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