To use the calculator below and measure the size of your bike’s frame, you’ll need to know the length of its seat tube, from the center of the bottom bracket to the top of the seat tube (not the seatpost). Follow the steps below if you don’t know how to do it: ...
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 a straightforward way to choose the right size by consulting akids’ bike size chart and finding the right wheel size for your child’s height...
“Frame Size” Frame size generally refers to frame height, the length of the seat tube from the bottom bracket (crank bearing) to the top tube. There is a problem with this. That problem is that it tells you only a little about how the bike will fit you. ...
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’...
You can also take a look at our guide onhow 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 ...
Seat Tube Length is another aspect of bike sizing we need to consider. But luckily it’s an easy one. We just need to understand the pedalling height of your saddle, and the dropper you intend to use. Measure your existing pedalling seat position at full extension; from saddle rails to...
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...
The most important thing to consider when finding the right size bike for your child is not their age, but their size. Some brands will size bikes on overall height, though this doesn't take proportions into account, so it's important to also measure your child's inside leg. ...
Measure your bike frame if you don't already know its size. The frame size is the length of the seat tube from the seat post to the center of the bottom bracket. The bottom bracket is the point where your pedals attach to the bike. Knowing your frame size narrows down your selection ...
We have a full guide on mountain bike sizing, but here’s the gist - a properly fitting bike is essential to having a good time out on the trails. Start with a size chart, and work from there. Our mountain bike frame size chart below is a good baseline, but remember that sizing can...