Best Hella Fan For Rvs

Fitment: All Cars - Universal Fits For 14 Inch- 17 Inch Tire Diameter Package Includes: 1X Spare Tire Cover Cover Size Guide: Size 14" Fits For Tire Diameter 60~69cm Size 15" Fits For Tire Diameter 70~75cm Size 16" Fits For Tire Diameter 76~79cm Size 17" Fits For Tire Diameter 80~83cm How To Calculate Your Tire Diameter? Step 1: Find Your Tire Parameter. It's written on your tire side Step 2: Calculate Your Tire Diameter If your tire is written with P215/60R16, A=215 B=60 C=16. Tire diameter=A*B/500+C*2.54 =215*60/500+16*2.54 =66.44cm You will need to buy the 14" cover. If you are not sure to buy which size, please feel free to contact us.