Bike Wheel Size Based On Height. If you need to convert your measurements to inches divide them by 2 54. Kids bikes come in these different wheel diameter sizes.
If we then look at the 29 wheel its axle will be 1 5 higher. The most common sizes are. Sometimes referred to as 650b the 27 5 inch wheel fits right in between the 26 and 29 inch offerings.
To calculate your bike frame size take your inseam in centimeters and multiply it by 0 575 for mountain bikes 0 665 for road bikes and 0 645 for trekking bikes.
While 26 inch wheels are still considered the standard for mountain bikes 29 inch wheels are fast on their heels. Most adult road bikes use 700c wheels whereas 26 is typically a mountain bike wheel size although in recent years mountain bikes are using larger wheels as well. This is because the axle sits in the middle of your wheel. Sometimes referred to as 650b the 27 5 inch wheel fits right in between the 26 and 29 inch offerings.