How do I determine bike frame size?

The frame size is usually measured as the distance between the top of the seat tube (where the seat clamp holds the seat post) and the center of the bottom bracket. Sometimes, the center or top of the top tube is chosen as the first point.

What height is a 26 inch bike for?

Bikes with 26-inch wheels are designed for people 5’0 to 5’5. If you are taller than that, you should look for a bike with 700c, 27.5-inch or 29-inch wheels.

How do I know my trek frame size?

Trek frame size used to be measured by the length of the seat tube. But modern mountain bike geometry is based on reach, not seat tube length. Alpha sizing is simpler and helps you find the right fit by the measurement that matters most.

Does bike frame size matter?

Registered. Frame size in and of itself doesn’t matter,what matters is how the frame fits you. Diamondback and Trek could measure frames differently,those bike bike could be close to the same size.