What size are 700cc wheels?
Matthew Barrera
Updated on April 04, 2026
29 inches
All road and cyclocross bikes are built with 700c wheels, which are 29 inches. However, 700c wheels are designed to accommodate a thinner tire. Many come in widths ranging from 18 to 23 millimeters, with touring tires ranging from 25 to 28 millimeters.
What is the circumference of a 700cc wheel?
Tire Size Chart
| Tire Size | Circumference in Meters | ISO |
|---|---|---|
| 700 x 20C | 2.086 | 20-622 |
| 700 x 23C | 2.096 | 23-622 |
| 700 x 25C | 2.105 | 25-622 |
| 700C Tubular | 2.13 |
Is a 700c wheel 26 inches?
The answer is, well, a little more complicated, and it might help to know the differences between these two common wheel sizes. “26-inch wheels” are also known as “26×1-3/8 inch”, or “700c”. A standard 700c wheel has a diameter of 622mm. Both have an outside rim width of about 1-3/8 inches (or 34mm).
What does wheel size 700c mean?
700c is the size of your bike tire, according to the ‘French system’. The “700” number is the stated diameter of the bicycle tire in millimeters. C refers to the old French system which classified tire widths from “a” (the narrowest) to “d” (the widest). So, a “c” tire was almost as wide as these would get.
Is a 27.5 inch wheel the same as 700C?
Just as a 700C wheel is the same diameter as a 29” (29er) wheel, 650B shares the exact same rim diameter as 27.5”. 27.5”/650B rims have a bead seat diameter of 584mm, and 29”/700C rims have a bead seat diameter of 622mm.
Which is bigger 27 or 700c?
The rim diameter of a 700c wheel is actually slightly smaller than that of a ’27inch’. 700c bead diameter is 622mm whereas 27″ bead diameter is 630mm.
IS 700c 28 or 29?
The wheel sizes 28”, 700C and 29er or 29” all refer to the same rim size: ETRTO 622. The tyres can differ, but the 28”, 700C and 29er are all the exact same rim diameter.
What height is a 700c bike?
If you are taller than that, you should look for a bike with 700c, 27.5-inch or 29-inch wheels….Bike Size Chart – Take The Perfect Size Bike.
| Height | Bike Frame Size |
|---|---|
| 5’7″ – 5’11” | 16 – 17 inches |
| 5’11” – 6’2″ | 17-19 inches |
| 6’2″ – 6’4″ | 19 – 21inches |
| 6’4″ and taller | 21+ inches |
What size are 700c wheels?
700c Wheels. 700C is the dominant wheel size in the modern bike world, and the biggest of the top three. The other two are 26-inches, and 650B, which also goes by 27.5-inches. The approximate diameters of the rims for these sizes are: 700C = 622 millimeters = 24.5 in. 650B = 584 millimeters = 23 in. 26-in = 559 millimeters = 22 in.
What size is a 700 wheel?
Not the actual wheel size. 700 wheel diameter is approximately 622mm. 622mm is approximately 24–1/2″ in diameter. 27″ tire wheels are 630mm in diameter, so about 24–3/4″.
What does 700C tires mean?
700c tires are a type of tire found on bicycles. The 700c size is the most common tire size used on bike makes and models. This tire size is also the largest of the common tire sizes, with a rim diameter of 622 mm.
How big is 700C bike?
650b is the middle size between 26inch and 700c (actually it’s a bit closer to 26inch), so a bike with these wheels tends to have a mix of both 26inch and 700c riding characteristics. 650b is the middle size between 26″ and 700c. The issue with 650b currently is spare parts.
