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.
Mens bike frame size guide.
To find the correct sized bike you will need to measure your height and your inside leg.
Now run the measuring tape up your seat tube.
Move your saddle up or down until you have nice bend behind your knee.
49 cm road bike.
51 cm mountain bike.
That s not true of mountain bikes where the frame size is usually marked s m l etc.
That s a system used for some road bikes too.
For your height stand against a wall and mark the wall with a pencil so it s level with the top of your head.
A quick guide to sizing your bike frame.
If it is just the frame this will be the center point in the bottom bracket shell.
Imagine your leg inseam is 74cm then the best frame sizes for you are.
It should be something around 30 but don t.
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.
Merida s road bikes go through s s m m l and l.
Method 3 bike size chart by height.
Bike frame sizes are measured in the same way for all styles of bicycle.
When you reach the end of the seat tube you have your frame size.
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.