While pedaling, your knees should not hit the handlebars (too small), and your legs should not fully lock out at the bottom of the stroke (too large).
Height is the most common starting point for bike sizing. Use these general charts to find your baseline size. bike buying guide size
Road bikes are typically sized in centimeters (cm). 4'11" – 5'2": 47 – 50 cm 5'3" – 5'6": 51 – 54 cm 5'7" – 5'9": 54 – 56 cm 5'10" – 6'0": 56 – 58 cm 6'1" – 6'3": 58 – 61 cm While pedaling, your knees should not hit the
Finding the right bike size is the most critical step in ensuring a comfortable, pain-free, and efficient ride. While manufacturers provide general charts, a perfect fit depends on your height, inseam, and the specific type of bike you are buying. 1. Start with Your Height Road bikes are typically sized in centimeters (cm)
If you are between sizes, or comparing different brands, look at "Reach" and "Stack" on the bike's geometry chart.
The vertical height from the pedals to the handlebars. A higher stack puts you in a more upright, comfortable position. 4. Sizing for Kids
Kids' bikes are sized by rather than frame height. 12-inch: Ages 2–4 (approx. 2'10" – 3'4") 16-inch: Ages 4–6 (approx. 3'7" – 4'0") 20-inch: Ages 6–9 (approx. 4'0" – 4'5") 24-inch: Ages 8–11 (approx. 4'5" – 4'9") Pro-Tips for Buying