Bike Wheel Size According To Height. Some are measured by s m l others use cm and some use inches. Yes your can always make an adjustment on your bike to make your feet touch the ground easily.

5 7 years. 110 120 cm. A 17 frame is your recommended size.
The sizes you commonly see for mountain bike wheels like 26in 27 5in and 29in all refer to the outside diameter of the wheel with the tire fully inflated.
Sometimes very small adult road bike frames will use a smaller wheel size like 650b but it s more common even for small frames to use 700c wheels. Yes your can always make an adjustment on your bike to make your feet touch the ground easily. And yes you can still achieve that by making an adjustment that i have mentioned. 5 7 years.