Product Review
1.The arithmetic to calculate diameter of your tire.
2.For example, your tire is written with P215/70R15, A=215 B=70 C=15.Your tire diameter =A*B/500+C*2.54 =215*70/500+15*2.54 =68.2cm.
3.SIZE S (14 INCH) FIT FOR: diameter 60~69cm.
4.SIZE M (15 INCH) FIT FOR: diameter 70~75cm.
5.SIZE L (16 INCH) FIT FOR: diameter 76~79cm
6.SIZE XL (17 INCH) FIT FOR: diameter 80~83cm









