How To Tell Road Bike Wheel Size

This number represents the distance from the center of the crank to the top of the frame at the seat tube.

How to tell road bike wheel size. Road bikes are one type of bikes using frame measurements in centimeters to indicate size and the typical road bike size is usually between 50 and 64 cm. So when i saw all these different tire sizes i assumed they all required a different wheel size but in fact there is essentially just one wheel diameter for my type of bike which they refer to as 700c which is actually 622mm. If you are buying a used bike it s up to you to make sure you are getting a bike that fits you. Mountain bike wheels come in three basic sizes.

Wheel size is a very important metric if you are a child because you need to be able to stand over your bike if you want to ride it and wheels that are too big won t let you do that. The venerable sheldon brown has a gear calculator that uses a different method to determine wheel size. A little bike know how goes a long way. Don t waste your money paying the shop guy to resurrect your ride when you get a flat.

Learning how to match your tire size to your bike s rim makes the change out simple and provides a more intimate relationship with your bike. One of the most common mistakes people make is to think that the tire size tells the frame size. Hi i am beginner planning to buy cycle 5 7 ft height 32 leg size which wheel base would suit me 26 or 27 5 though planning for mountain bike most my trails will be on mud and rough roads and bumpy ride. Most adult road bikes use 700c wheels whereas 26 is typically a mountain bike wheel size although in recent years mountain bikes are using larger wheels as well.

Sometimes very small adult road bike frames will use a smaller wheel size like 650b but it s more common even for small frames to use 700c wheels. It s easy to tell a bike s frame size if you are buying one new from the store because it s either printed on the tag or you can ask a sales person. The international organization for standardization iso measuring system uses millimeters to signify the size of your bicycle s wheel. His calculator uses an pre defined diameter for every rim tire combination and his diameters are almost always different than what the math would predict.

Plus the knowledge can prove useful during trail or roadside mishaps. In some site it suggested frame size of 18 5 47 cm size. If you don t have a measuring tape with metric rules just be aware that there are 25 4 millimeters in one inch and determine the width with a calculator multiplying inches x 25 4. Very petite women may want a 26 wheels but most will be best served by a 27 5 or 29 wheel.

Same thing with hybrid bikes where numbers people throw around also indicate frame size only in this instance as measured in inches. What you will see in these charts is that adult bikes are generally measured by their bicycle frame size.