This is the ideal length of your top tube. 411 53 13 15 inches. For beginner cyclists and athletes this can be extremely helpful. Your height bike size. Take that number and add 4. Bike height chart the easiest.
After asking a friend to help you with the measurement stand to measure your standing height. A bike fit will also provide all your more detailed measurements. Measure from your pubic bone the same place as before to the hollow at the base of your neck. If you need to convert your measurements to inches divide them by 254. 53 57 15 16 inches. The next important mountain bike geometry measurement is stack is the vertical distance between the bottom bracket and the center of the head tube.
To calculate your bike frame size take your inseam in centimeters and multiply it by 0575 for mountain bikes 0665 for road bikes and 0645 for trekking bikes. 57 511 16 17 inches. Add the results together and divide by 2. This can be adjusted to a degree with headset spacers handlebar rise for increased stack height. The essential body measurements are your standing height length of the inseam the length of your torso and arm length. 60 62 17 19 inches.
This is primarily a gauge of seated pedaling position and relative handlebar height. 64 and taller 21 inches. Investing in a bike fit not only ensures you are going to. Kindly stand against the wall measure the distance from your head to your feet. 62 64 19 21 inches.