PURCHASE GUIDE
5 Things you need to know about the 700x23C Bicycle Racing Inner Tube?
1.What does 700x23C mean?
2.Can I use a wider tire on a rim designed for 700x23C?
3.What is the recommended tire pressure for a 700x23C inner tube?
4.How do I know if my inner tube needs to be replaced?
5.How do I install a 700x23C inner tube?