The Reach is the distance your hands project forward to comfortably rest on bars and manipulate the brakes and gears. Buy the correct size bike and your hours of saddle time will actually strengthen your core and back, not hinder it. Whether that is upper or lower back pain will depend on whether you buy, or are sold, a bike that is too big or too small for you. Get this one wrong, and you may be in for a world of back pain. For the Trek Domane, this is measurement L in the Geometry diagram below. If you are looking at the best size option based on a geometry chart, measure from inner leg to floor (with shoes on), remove 2cm and test that measurement against the bikes geometry chart. When you stand-over the midpoint of the bike, with shoes on, you should be able to lift the bike up until there is a 2 cm gap between the tyres and the floor - without the frame coming in contact with your groin. Having the correct Stand-over will ensure you do not impact your groin area during this situation. Ok, so why is it so important? Simply put, if you are travelling along on your bike and you need to stop in a hurry, you'll have to jump forward, landing on the ground, standing with your legs on each side of the top tube. Stand-over is the measurement of the height of the bikes top-tube from the ground at its midpoint. The 2021 Trek Domane is produced in sizes 44, 47, 50, 52, 54, 56, 58, 60, 62ģ Fundamentals of Correct Bike Size - 2021 Trek Domaneīefore you purchase your 2021 Trek Domane road bike, you need to ensure the frame meets 3 basic size requirements: stand-over, reach, seat height. If you are 'between sizes', give this consideration when making your selection.
![trek bike size trek bike size](https://m.media-amazon.com/images/I/71dHyHFej4S._AC_UY218_.jpg)
In addition your riding style can influence your choice if you like a more aggressive bike, you may prefer a smaller frame if you prefer a more upright position, you may prefer a large frame. Of course, the length of your limbs is not factored into the table below and long or short limbs or torso can play a big role in determining the right bike size for you. This is a simple approach to a complex situation, but it is accurate in the majority of cases. The following chart provides a rule of thumb approach to determine your bike size based on your height.