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The Daily Insight

Are 650 wheels faster than 700?

Author

Mia Phillips

Updated on February 27, 2026

Being smaller it accelerates faster than a 700c so your bike will get up to speed quicker than one with larger wheels. You’ll also notice that the majority of the 650b wheels will come with a wider bigger volume ties, and that’s probably the biggest advantage that most people talk.

Are 650b and 650c the same?

650b has an etrto of 584mm. 650c has an etrto of 571mm. 26″ has an etrto of 559mm.

What does 650c mean?

Some small sizes of women’s-specific road bikes use a tire size known as 650C. This size was also used on some triathlon bikes a few years back, but this is becoming less common. 650C tires are commonly available in the same widths as 700C performance road tires, i.e. from 650x18C through 650x25C.

Can you put 700c wheels on a 650C bike?

The size difference between 700 and 650c wheels is very significant so there’s no way to fit 700c tires onto 650c wheels.

What size is a 650C wheel?

571 mm
Most road and racing bicycles today use 622 mm diameter (700C) rims, though 650C rims are popular with smaller riders and triathletes. The 650C size has the ISO diameter size of 571 mm. Size 650B is 584 mm and 650A is 590 mm. 650B is being promoted as a ‘best of both worlds’ size for mountain biking.

What is 650A?

The 26″ x 1 3/8″ tire has some other common names: 650A, which is the French terminology. This will be labeled on the sidewall like 650x37A, the 37 being tire width in mm. The ISO size of 590, which refers to the bead seat diameter of 590 mm.

WHAT IS 650c wheel?

If you’re new to the game and don’t know what that means, the over-simplified short answer is this: 650c wheels are smaller than the current “standard” of 700c wheels. 3) Smaller wheels reduce or remove overlap between your toes and the back-end of the front tire. (This becomes obvious during sharp turns.)

What is the difference between a 650c and a 700c tire?

Photo Credit: kzenon/iStock/Getty Images Deciding on a wheel size shouldn’t be confusing. Most road bikes have 700c wheels, while the smaller 650c wheels are more common on mountain bikes. An obvious difference between 650c and 700c tires is that the 650c tires are smaller in diameter and lighter by about 200 g.

What is a 650c wheel?

In the early 1990’s, when you bought a triathlon bike it almost certainly came with 650c wheels. If you’re new to the game and don’t know what that means, the over-simplified short answer is this: 650c wheels are smaller than the current “standard” of 700c wheels.

What are the benefits of 650B tires?

Fat and plush 650B tires offer better traction on loose, dirt climbs or descents, and they soak up the lumps and bumps better over technical terrain. Additionally, when using the same frame and gearing, you’ll feel like you have an extra climbing gear with 650B wheels compared to 700c, due to the smaller circumference.