Now run the measuring tape up your seat tube.
Mens bike frame size guide.
To find the correct sized bike you will need to measure your height and your inside leg.
Merida s road bikes go through s s m m l and l.
Method 3 bike size chart by height.
Move your saddle up or down until you have nice bend behind your knee.
That s not true of mountain bikes where the frame size is usually marked s m l etc.
For your height stand against a wall and mark the wall with a pencil so it s level with the top of your head.
Lean to the wall with your elbow sitting on the bike or let someone help you as shown on the picture but your leg to lowest point but parallel to the ground.
When searching online for advice about bike sizing you will.
Sizing varies greatly between road and mountain bikes as well as between men s and women s models and even between individual manufacturers.
To measure your bike s frame size take a measuring tape and place the tape in the center bolt of your bike s cranks.
If it is just the frame this will be the center point in the bottom bracket shell.
51 cm mountain bike.
A quick guide to sizing your bike frame.
Then measure from the ground up to the mark having someone to help might make this easier.
It is fairly simple.
Imagine your leg inseam is 74cm then the best frame sizes for you are.
When you reach the end of the seat tube you have your frame size.
It should be something around 30 but don t.
That s a system used for some road bikes too.