Bike Frame Size Measurement Diagram

When you know your inseam you can calculate the right bike sizes with the following formula and create your bike size chart within a minute.
Bike frame size measurement diagram. If you look near the bottom of this tube about 3 inches 7 6 cm up from the chain sprocket you ll see a glued on label that states the bike s frame size. I need some advice regarding a road bike frame size. While not all bicycle frames have a size label it ll save you some work if yours does. Hybrid bike inseam in cm x 0 685 your frame size.
The seat tube is the long tube that the bike seat post sticks into. It ll make the whole process easier and you ll be set up for success right from the beginning. Of course this measurement is up to each brand s interpretation ridley s size s frames have a top tube around 54cm which is equivalent to many brands size medium frames. Ideally you ll know your bike size before you buy.
If the size isn t given. I look to buy a entry level model or second hand but i want to make sure the frame is the correct for me i m 5 9 which indicates a medium size frame 54cm 55cm but my inseam is 87cm points to a larger bike. Sometimes however there are other ways. Calculating your own bike size chart.