Bike Buying Guide Size [ 2025 ]

Your height gives you a direction, but your inseam gives you precision. This is not your pant size; it is the distance from your crotch to the floor.

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 bike buying guide size

The vertical height from the pedals to the handlebars. A higher stack puts you in a more upright, comfortable position. 4. Sizing for Kids Your height gives you a direction, but your

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 4'11" – 5'2": 47 – 50 cm 5'3"

Height is the most common starting point for bike sizing. Use these general charts to find your baseline size.