Why are BMX bikes so small?

Related questions

1. How much is a BMX?
2. What age should you start BMX racing?
3. What are BMX bikes used for?
4. Is BMX an Olympic sport?
5. What age is a 20 inch BMX bike for?
6. Does BMX build muscle?
7. What is the lightest BMX bike brand?
8. What is a good beginner BMX bike?
9. What size are BMX tires?
10. What's better BMX or mountain bike?

Tags

1. #olympic
2. #google
3. #sport
4. #racing
5. #smaller
6. #jumps
7. #explains
8. #lightweight
9. #after
10. #landing
11. #repeatedly
12. #withstand
13. #impact
14. #usually
15. #mixes
16. #bikes
17. #bigger
18. #wheels
19. #cycling
20. #riders