Cover CST Crema 28" (40-635) 700x38B Unit
CST bike tyre with ETRTO 635 measure. Cream colour.
Know your ETRTO
The ETRTO measurement refers to the width (37) and diameter (622)
Check your size
A 28" tire may have a different ETRTO, for example 622 or 635 and not be compatible.
If you cannot find the ETRTO, look for its equivalence
In this video you can see how to change a tire.
If you need more information on how to choose your cover visit this page