• August 18, 2022

What Size Inner Tube Does My Bike Need?

What size inner tube does my bike need? Checking the Inner Tube Size You Need

The best way to check what size inner tube you need is to look on the sidewall of your tyre. Tyre manufacturers print the size on the sidewalls, so look out for numbers such as '700x23c' for a road bike, or '26x1. 75' which is for mountain bikes.

Will a 26 inch tube fit a 700C?

The standard for mountain bike wheels is 24″ (600 mm), with BMX bikes using 20″ (520 mm). The standard for off-road bikes is 26″ (650 mm), with mountain bikes using this tire width at the same rim diameter as above. Road racing bicycles are usually made to fit a 700C tire on a 700C wheel.

What does 700x25c mean?

700x25c indicates a tire with a 700mm outer diameter and a 25mm width. A third type of tire size might appear on either a mountain or a road tire: 25-622 is the International Standardization Organization (ISO) way of identifying the 700x25c tire in the example above.

Will a 27.5 tube fit 700C?

However, tires that are close in bead diameter may use the same inner tube. For example, an inner tube for an ISO 630 tire (27-inch) will also fit an ISO 622 (700c) tire. The inner tube should also match the tire width, but, because inner tubes are elastic, one inner tube may fit a range of tire widths.

What does 700x40c mean?

700x40c is the measurement of your bicycle tire and is sized according to what used to be known as the 'French system'. '700' is the nominal diameter of your tire, measured in millimeters. 'x' just means multiplied by. '40' is the second number and is the nominal tire width, also measure in millimeters.

Related advise for What Size Inner Tube Does My Bike Need?

What size inner tube is 700C?

27-inch and 700C tires are close enough in size that the inner tubes are compatible; i.e. you can use a 27-inch inner tube in a 700C tire, and vice-versa. However, you can NOT use a 27-inch tire on a 700C wheel, and vice-versa.

How many inches are 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.

Is 622 the same as 700C?

The standard modern road bike wheel has an ISO diameter of 622 mm and is referred to as 700c (makes sense, right? /s). While the diameter for both 29″ and 700c wheels is the same at 622mm, rims made for mountain bikes are generally wider to accommodate wider tires.

What is the difference between 700x23c and 700x25c?

The 23s are thinner, lighter (because they are thinner), and a little faster. 25s are 2mm greater in diameter, so they are a little heavier and better on rough roads.

How many inches is 700x25c?

Table of bicycle tires sizes

28-622 28 x 1-5/8 x 1-1/8 700 x 28C 700C
25-622 28 x 1-5/8 x 1 700 x 25C
23-622 700 x 23C
32-630 27 x 1-1/4

IS 700C the same as 25?

Let's break it down. 700 is the nominal diameter of the bike tire, sized using millimeters. The next number, 25, is just the width of the tire (this is also measured using millimeters).

Can you use 27.5 tube in a 27 tire?

Tubes stretch a bit so they fit a variety of sizes. For a 27 x 1 1/4 tire you would need one that says 700x32 which is the equivalent new size of tube, although both the old system and new system are usually written on the packaging.

IS 700C the same as 28?


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. The 700 markings will be followed by the width in mm, and the 28 or 29 markings will be followed by the width in inches.

Can you use 1.5 tire 1.75 tube?

All tires of 26" will fit on a 26" rim. The diameter 1.5", 1.75",1.95" etcetera have tubes which will fall into the range, ie, tire = 26" x 1.75" so you can use a tube in the range of 1.5" - 1.75". Remember the tube will fit a range of tires.

How wide is 28c?

A ISO tire size of 28-622 is how we would refer to a 700 x 28C tire has a tire width of 28 mm and a rim diameter of 622 mm.

What is the difference between 700x28 and 700x28c?

Size wise there is no difference. Usually the cheaper one is wire beaded and the more expensive is a folding bead. Unless its older version model versus new version.

What do numbers on bike inner tube mean?

The first number is the diameter of your wheel. Sizes such as 26, 24, 20, 27.5, 29 and 700c are common tire diameters. The second number (after the X) is the width of your tire. The range for widths is usually between 1 and 3 inches.

What size is 700x40c in inches?

So what is 700 x 40C in inches? Well, if you want to convert it exactly than 700 millimeters would be about 27.5 inches and 40 millimeters would be about 1.57 inches.

How do I know my bike tire size?

Are 700c and 29 the same?

29" (ISO size 622) is actually the same rim diameter as 700C, although most 29" tires will not fit 700C road rims because they're too wide. 29" tires are popular with mountain bikers; search for 29" MTB. 650B (ISO size 584) is used for some randonneur bikes and other specialized bikes.

Will a 28 inch tube fit a 700c?

What fits what on different road wheels? As I understand it, a 28" tyre fits 700c wheels and vice versa, a 27" tyre wo'nt fit a 700c rim. A 700c inner tube will fit a 27" wheel (i'm guessng probably a 28" wheel too).

What does 700x32c mean?

700 refers to the diameter of the wheel. Almost all road bikes have 700c wheels on them. 700x28c means a 700c tyre which is 28mm wide. 700x32c means a 700c tyre which is 32mm wide.

Will a 700c bike fit me?

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

Are 700c wheels smaller than 27?

The difference between 700C and 27" is pretty small. The rims are 622mm and 630mm so the actual change in brake shoe position is 4mm (less than 1/4"). Look at your brakes and decide whether they will suit. You may be able to change the brakes to ones with longer arms (assuming caliper types).

What does 622x15c mean?

622mm is the diameter of the bead seat, 15mm is the (internal) width. A 700x25c tyre will also have an ISO size written on it, as "25-622" - a bead diameter of 622mm and a tyre width of 25mm.

What does C stand for on tires?

The C-Type tire, on the other hand, is specifically meant as a commercial-rated tire, with a higher load rating for a given size than many LT tires. These C-Type tires will show the letter “C” immediately after the wheel diameter in the tire code.

What does Etrto stand for?

Nowadays, bicycle tire sizes are all marked according to ETRTO (European Tire and Rim Technical Organization) standard. However, older English and French tire size dimensions are still used as well.

Will 700x25c tube fit 700x23c?

They'll be fine - I'd certainly use them without question in a 23mm tyre. Most tubes cover a range like 18-25 and 25-38.

Can you put a 23c tire on a 25c rim?

They are made to fit the same rim diameter (as long as you don't have super wide rims that is!) You might be getting your tyre size confused with your rim size.

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