What size inner tube do I need for 700x38c?
The simple answer is: 700x38c converts to around 27.5” x 1.5”. The even simpler answer is to stick with the 700x38c sizing and buy a tube that’s labeled with that size.
What size tire is 40 622 700x38c?
Table of bicycle tires sizes
| ETRTO | English Size | FRENCH SIZE |
|---|---|---|
| 40-635 | 28 x 1½ | 700B standard |
| 47-622 | 28 x 1,75 | 700 x 47C |
| 40-622 | 28 x 1-5/8 x 1-3/4 | 700 x 40C |
| 38-622 | 28 x 1-5/8 x 1½ | 700 x 38C |
What does 40 622 mean on a bike tire?
The 40 is the inflated width in mm and the 622 is the internal diameter in mm. It’s the international standard ISO-5775 for tire sizes. In brackets are the French size (700mm outer diameter x 38mm width) and the Inch size (28 outer diameter x 1 5/8 height x 1 1/2 width)
What size tube fits a 700×38 tire?
A 700x38c tire requires an inner tube with a 700mm diameter and 38mm width. Simply put, it requires a 700×38 inner tube. A majority of these tubes come with a width range. So, you only need to find a range that includes a 38c.
What does the C mean in 700x38c?
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). C refers to the old French system of classifying wheels according to their Bead Seat Diameter.
How wide is a 38C tyre?
“The 38c (40mm) width is by far the most popular now, but things keep getting wider,” said Nathan Forbes, Schwalbe brand manager.
Is 622 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).
What kind of inner tube do I 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 ’26×1. 75′ which is for mountain bikes.
How wide is a 40c bike tire?
40mm wide
You’d be forgiven if you thought it was some abbreviation for a metric measurement, since the 700 represents millimeters, and a 40c tire is supposed to equate to a 40mm wide on certain width rims.