Move your saddle up or down until you have nice bend behind your knee.
Mens bike frame size guide.
51 cm mountain bike.
Method 3 bike size chart by height.
Imagine your leg inseam is 74cm then the best frame sizes for you are.
That s not true of mountain bikes where the frame size is usually marked s m l etc.
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.
49 cm road bike.
A quick guide to sizing your bike frame.
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.
Sizing varies greatly between road and mountain bikes as well as between men s and women s models and even between individual manufacturers.
That s a system used for some road bikes too.
If it is just the frame this will be the center point in the bottom bracket shell.
Hybrid bike inseam in cm x 0 685 your frame size mountain bike inseam in cm x 0 66 your frame size road bike inseam in cm x 0 70 your frame size.
When searching online for advice about bike sizing you will.
It should be something around 30 but don t.
When you reach the end of the seat tube you have your frame size.
Then measure from the ground up to the mark having someone to help might make this easier.
Now run the measuring tape up your seat tube.
It is fairly simple.