How wide are road bike tires?

How wide is a 700c tire?

700c. A standard road tire is 700c x 23mm, indicating a tire diameter of approximately 700mm and a width of 23mm. When shopping for road tires, you’ll look for 700c x your preferred width, 23mm being the slimmest option and going up to 36mm.

Are 28mm tires faster than 25mm?

Yes, they are still aerodynamically superior, but the rolling speed advantages outweigh this, certainly at the speeds of regular cyclists and even up to the speeds reached by keen amateurs, even professional cyclists are now running 25mm tubulars and sometimes 28mm for the Spring classics.

Are 28mm tires faster than 32mm?

28mm tires offer slightly more speed and acceleration on the road, but the improvement comes at a price – a harsher ride and less grip on off-road terrain. 32mm tires make the ride more comfortable and perform better when the surface is less than ideal.

How wide is a 50c tire?

Conversion between mm and inches in tire widths:

Tire (mm) Tire (inch)
40 1.57
42 1.65
45 1.77
50 1.97

Can I use 700×23 tires instead of 700×25?

Both sizes will work on the same rims. There is a definite trend in the last year or two to put slightly wider tires on road bikes.

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Why are road bike tires so thin?

Most road bikes and touring bikes have thinner tires, while mountain bikes have big fat tires. … A firm thin tire on the asphalt surface won’t flatten much. The less the tire flattens out on the bottom, the less surface area is in contact with the road. Less contact in this case means less friction, and more speed.

What is the widest tire for a 700C rim?

Tyre widths available for the 700C/622mm size standard vary from 18 to 47mm, with popular widths such as 23, 25 and 28mm in the mix. The big-wheeled mountain bikes known as 29ers also use this size, so there are off-road tyres up to a whopping 75mm wide.

Can you run a 28mm tires on 25mm rims?

Also consider that most 25mm tires will actually measure 27-29mm on a wide rim. So if you go buy a 28mm wide rim, the 25mm tire is still the right sized tire. You’d need to find a 30-32mm rim to be aero optimized for your 28mm tire.

Do pros ride 28mm tyres?

For several years we’ve heard of their lower rolling resistance, and experienced firsthand the improved comfort & grip of larger road tires. But pro roadies have been resistant to change. That time for change seems to have come, as 28mm tubulars become de rigueur in the peloton of the World Tour.

What size tires do professional cyclists use?

For the last few decades, 19 to 23mm tyres have been the favoured choice of the professional racing cyclists. And as regular cyclists like to emulate the pros, narrow tyres have prevailed ever since.

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