**Yes they are the same**. 700 is the nominal diameter of the rim. 700C is the usual standard for road bikes, but small frames or some custom builds may use a 650B. 38 is the width of the tyre, in mm, at the widest point.

**Contents** show

## Is 38c the same as 38mm?

8. How Wide Is A 38c Tire? A 38c tire is a tire with a **38mm** (or 1.5 inches) width.

## What size tube do I need for a 700 x 38 tire?

700c x 38c tubes is the correct size. **29” x 1.5”** is the same thing.

## What is equivalent of 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”.

## What size is a 38c TYRE?

ETRTO | English Size | FRENCH SIZE |
---|---|---|

38-622 | 28 x 1-5/8 x 1½ | 700 x 38C |

37-622 | 28 x 1-5/8 x 1-3/8 | 700 x 35C |

32-622 | 28 x 1-5/8 x 1-1/4 | 700 x 32C 700C Course |

28-622 | 28 x 1-5/8 x 1-1/8 | 700 x 28C 700C |

## What does the C in 700c mean?

It doesn’t mean anything, really. It’s a historical relic. At one point in time, “700c” was a standard tire/rim size, where “c” indicated the **bead seat diameter** and “700” was the diameter, in millimeters, when the tire was installed and inflated. That “700c” tire size has a 622 millimeter bead seat diameter.

## What does 700×28 38c mean?

700x38c is the **size of your bicycle tire**. 700 is the nominal diameter of the tire in millimeters. 38 is the width of the tire (as seen if you were looking at your bike from the front/back).

## What does the C mean in bike TYRE sizes?

Option A: “C= **Clincher Tires**“

According to some, the letter “C”, indicates that the tire in question is a clincher type. “Clinchers” are the most common bicycle tires. They work with an inner tube and connect to the rim with a lip (bead).

## What is the difference between 38C and 38B?

The only difference is the c will have a slightly larger cup but it’s still a 38. **38C is bigger than 38B**. 38C has 38 inches of underbust measurement and 41 inches of busts measurement. Meanwhile, 38B has 38 inches of underbust measurement and 40 inches of busts measurement.

## What is the difference between 700 and 700c tires?

Yes they are the same. 700 is the nominal diameter of the rim. 700C is the usual standard for road bikes, but small frames or some custom builds may use a **650B**. 38 is the width of the tyre, in mm, at the widest point.

## What size tire is 700x45c?

The second measurement type (700x45c) is a **45 mm wide tire** that also fits on a rim with a 622 mm bead seat diameter, the 700c is an old French sizing nomenclature based on the final external diameter being 700 mm for width class of tire (e.g., a, b, c widths).

## How do I know my bike tube size?

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 ’26×1. 75′ which is for mountain bikes.

## Is a 700C wheel the same as a 29er?

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.

## What size is a 700C bicycle 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.

## Can I put 29er tires on 700C rims?

**A 700C tire will fit on a 29-inch rim** – without any adjustments necessary for width and casing length. A 29-inch wheel is the same as a 700C wheel. In fact, a 29-inch tire will fit on your 700C wheel without any fiddling with either width or length.

## How many inches is a 38 C?

C Sizes | Under Band | Cup Size |
---|---|---|

32C | 27″-28½” | 34″ |

34C | 29″-30½” | 36″ |

36C | 31″-33½” | 38″ |

38C | 34″-36½” | 40″ |

## What does 38C mean?

For example, a 38C means **a chest measurement of 38 inches and a breast measurement of 41 inches**. The difference between the two measurements is 3 inches which is a C cup. A 38D would be a chest measurement of 38 inches and a breast measurement of 42 inches.

## What does 700c 30c mean?

In short – the 700x25C is a French nomenclature for tire size meaning **tire diameter of 700mm and tire width 25mm** and C is the width of the rim (A is very narrow, D is wide). Thus the number between “x” and “C” is the tire width in mm.

## What does 700 mean on a bike tire?

700C tires

The modern standard for road, cyclocross, and many hybrid tires is 700C. You’ll also find 700C tires on some European-style cruiser bikes. The “700” refers to **the rough outer diameter of the tire**, although the actual outer diameter will vary greatly, depending on the type of tire and tread pattern.

## 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 700c wheel size in inches?

What is a 700c Wheel in Inches? The tire width on a 700c wheel is **22 inches**. This is the standard for most mountain bike tires. Mountain bikes also make use of 26-inch wheels and rims.

## How wide is a 700×28 tire?

“700” is the overall diameter of the bike tire, measured in millimeters. “**28” is** the width of the tire, again in millimeters and “c” refers to the width code of the tire (like you’d see when you look at your bike either from behind or in front).

## What do the numbers on a bicycle 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 bike tire is 700x32c?

At its most basic, a 700x32c tire is **around 27 1/2 inches by 1 1/4 inches** (or 1.26 inches).

## What is the difference between 650B and 700C?

700c wheels feature a larger diameter rim and are the standard choice for most gravel riding and racing. 650B wheels **have smaller diameter rims** that are often paired with bigger volume tires for added compliance and traction.

## Are 38C and 40B the same?

In this way, sister sizes are far more accurate. To give you another example, if you’re a 38C, your bra belongs to this family: 30F, 32E, 34DD, 36D, 38C (your size), 40 B. So your **closest sister sizes are actually 36D and 40B**, because while the band may vary, the cup volume is exactly the same.

## Which is bigger cup size B or C?

If your bust size is less than 1 inch bigger than your band size, you’re a cup size AA. **1-inch difference = A**. **2-inch difference = B**. **3-inch difference = C**.

## Is 38C medium or large?

Size | Bra Size |
---|---|

Small | 36A,34B |

Medium | 36B,34C, 34D |

Large | 34DD, 36C, 36D, 38B |

X-Large | 36DD, 38C, 38D, 38DD, 40B |

## What does C mean on a tire?

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 size is a 700?

The simple answer is that 700c equals **27.5 inches** but, unfortunately, it’s not as simple as that.

## Is a 28 inch tire the same as 700C?

28”/700C/29er

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. This is the most common wheel size, so look out for familiar markings (such as 28×1.

## What does 700x45c tire mean?

Breaking it down, we have: “700” = the nominal diameter of the tire. “x” = just means ‘multiplied by’ “45” = the nominal width of the tire (when you stand facing the front or rear of your bike and look at the tire) “c” = this is a **tire width code**, using the historical French system.

## What does 35c tire mean?

35c means that the **tire is roughly 35mm wide**.

## What size is a 700c bike tube?

So a **29 inch MTB** tube will have the same diameter as a 700c road wheel, while a 27.5 inch tube will be the same diameter as a 650b road wheel. You can also get 26 inch MTB tubes.

## Are bike tires and tubes the same size?

Step 1: Picking the Right Tube Size

The first number is the **diameter** of your wheel. Sizes such as 26, 24, 20, 27.5, 29 and 700c are common tire diameters. … For example, one of our most popular tubes is the 26 x 1.75-2.125” which means it fits a 26-inch diameter tire with a width in the range of 1.75 to 2.125 inches.

## Can I use a bigger tube in my bike tire?

Yes, **it’s perfectly safe to use the next larger size tube** in a smaller tire. It’s a common trick used by bike messengers to reduce the chance of flats. The only downside is a slightly heavier wheel since you’re using more tube that you really need.

## IS 700C 28 or 29?

**700C** is 24 1/2 inches plus 2 x the tyre size. “29er” wheels use the 700C rim diameter (622mm) and come up at 29 inches with 2 1/4 inch (57mm) tyres. With 20mm tyres on the same diameter rims on a road bike the total diameter is only 26 inches.

## How do I find my bike tire size?

**Check your tire’s sidewall**—the numbers there indicate your tire size (roughly its outer diameter and its width, but not always in that order). Typical road bike tire: 700 x 32c indicates a tire that has an outer diameter of 700mm and a width of 32mm.

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