In very general terms an 18 inch bicycle is best for someone just under six feet in height but factors like inseam length and the differences between bike manufacturers can all influence the fit.
18 inch bike frame size.
Alpha sizing is simpler and helps you find the right fit by the measurement that matters most.
Dialing in your fit.
For urban bikes you need a frame size that s 18.
You have come to the right place.
Fortunately our bike size chart takes away the guesswork as it suggests mountain bike frame size and road bike frame size in either inches or centimetres.
Bike frame size chart.
Bike frame sizes are measured in the same way for all styles of bicycle.
It also helps to ask questions and speak to knowledgeable staff members.
Frame sizes are measured differently today trek frame size used to be measured by the length of the seat tube.
Below you will find general explanation for eeach bike type.
However this is something many people overlook.
For road bikes your range fall under 58 59 60 cm still under xl.
As an added bonus.
For mountain bikes choose 18 19 under xl.
The calculation here will give you your bike s frame size.
The right sized bike will be more comfortable more efficient and more fun to ride.
If it is just the frame this will be the center point in the bottom bracket shell.
But modern mountain bike geometry is based on reach not seat tube length.
Whether you are interested in road or mountain biking picking a bike with the correct frame size is very important.
If your measurement falls between two sizes it s usually better to size down so that you can make up the difference using your seat tube and handlebar stem.
Type of bike your height and your riding style.
Even experienced cyclists find it tricky to when choosing the right size frame as it depends on many factors like.
Road bike sizing and mountain bike sizes are slightly different and the units used in bike sizes vary depending on type and brand.
Road bikes use the metric system and usually fall between 48 and 63 centimeters.
Many bicycle brands and bike shops offer demo days or demo events to allow customers to test ride bikes.
To measure your bike s frame size take a measuring tape and place the tape in the center bolt of your bike s cranks.
Road bike sizes are usually given in centimetres while mountain bike frame sizes are quoted in inches.
Mountain bike frames are measured in inches and usually fall between 13 and 23 inches.