49 cm road bike.
Mens bike frame sizes inches.
51 cm mountain bike.
Generally you should be good with a bike that has a frame size of 17 19 inches.
Imagine your leg inseam is 74cm then the best frame sizes for you are.
That s a system used for some road bikes too.
The kind of bike you should have depends on your preferred riding style if you enjoy riding on paved surfaces and also off road then a hardtail mountain bike with a 29 wheels is something you will enjoy.
Method 3 bike size chart by height.
Mountains bikes now come in three different wheel sizes.
Merida s road bikes go through s s m m l and l.
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.
If all three have a 15 frame there will be a height difference between them due to their wheel size.
That s not true of mountain bikes where the frame size is usually marked s m l etc.
You may find both units in the description of the bike.
The sizes are measured in inches mtb or centimeters.
You can find them with 26 wheels 27 5 wheels or 29 wheels.
The tables below show the frame size that best suits your height.
Bike frames are measured from the middle of their bottom bracket to the end of their seat tube.