Measure the Distance:Using a tape measure, measure the length from the center of the bottom bracket to the top of the seat tube. Do this is centimeters (cm) for road bike frame sizes and in inches for hybrids, mountain and BMX bikes. ...
Other frame manufacturers measure from the center of the bottom bracket to the top of the seat tube like the point where you actually insert the seat post. (Call itC-T) This baffles us because if two frames had the exact same geometries and tube lengths, but one had more material sticking...
When buying a bike for your child, you’ll frequently see terms such as “20-inch bike,”“24-inch bike,”“12-inch bike,” and so on. It’s crucial to understand that, when it comes to a child’s bike, these measurements refer to the wheel diameter, not the frame size. This is...
You can also take a look at our guide on how to measure a bike frame, to familiarise yourself with the key measurements you’re likely to encounter. You should be able to stand over the bike frame with your feet flat on the floor and a few centimetres’ clearance between your body...
This introduces forces into the frame which will never be seen on the road. A bike can never support front-to-back forces at the front fork dropouts, except under braking or in a collision. Of course, braking is a tiny percentage of riding time, and cyclists generally don't continue to...
Frame Sizes Frame sizes are based on the length of a bike’s seat-tube, from its uppermost point to the center of the bottom bracket. Road bikes measure this in centimeters while mountain bikes use inches. For example, you may suit a ‘55cm’ road bike frame size – or a ‘16 inch’...
If you don’t have the actual bike handy, and the manufacturer provides the standover height, you can measure your inseam and pick a frame size that will fit. Inseam Measurement To measure your inseam, stand flat-footed with shoes off and put a carpenter’s level between your legs. Pull...
Road bike tires usually measure in the 18c (or mm) to 32c range and are run at high pressures between 80 and 120 psi for maximum performance. There’s no real need for texture either but your off-season tires might have a little bit of texture to keep you rubber side down thru a ...
Another approach is to put a small dot of paint on the tire and measure the distance between the marks that the paint prints on the road. With either approach, the rider must hold the handlebars straight while an assistant balances and pushes the bike. Otherwise, the wheel may not follow ...
A survey was conducted to measure the indicators used in the models. The survey questionnaires were randomly distributed to commuters between July 3rd and 10th, 2020 in Shanghai, China. According to the Shanghai Municipal Health Commission, Shanghai reported its first case of COVID-19 on January...