How To Measure The Size Of A Bike Frame

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.
How to measure the size of a bike frame. Consider the bike type. The importance of knowing how to measure a bike frame. How to measure bike size for adults. I ask the seller what the frame size is and they don t know.
A professional bike fit is always a good idea as well. The seat tube is the long tube that the bike seat post sticks into. The frame is determined with the height from the crotch to the ankle the height without the shoes and your reach of the arm span to your height. 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.
Knowing how to measure a bike frame and what the significance of each measurement is will help you in finding the right type and size of bike for you be it a road bike mountain bike or bike for commuting around town. A bike frame measurement is important especially when you re buying or selling a bike or trying to figure out how tall a person should be to ride it. And they don t know how to measure it. If you are sizing a mountain bike measure in inches them multiply your inseam by 67 and subtract 4 inches.
I need some advice regarding a road bike frame size. Ans the bike frame is an important factor if you want to buy a bike that is right by your height. Many times when i see a bike for sale the frame size is not listed. To size a bike you ll need to take your inseam measurement.
You get the frame size by measuring the appropriate part of the bike depending on what type of bike it is. 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. First consider what kind of bike you want sizing varies greatly between road and mountain bikes as well as between men s and women s models and even between.