Tire Size Designation

   

Tires specifically designed for travel trailer use in highway service have an “ST” as part of the tire size molded on the sidewall, such as ST225/75R15.  The “ST” stands for “Special Trailer” and means the tire is designed specifically for trailer service.

 

 

 

5 Lug Bolt Pattern Chart***

Hub         A             B         C    
5 Bolt 4.50" B.C. 2.645" 4.280"
5 Bolt 4.75" B.C. 2.792" 4.518"
5 Bolt 5.00" B.C. 2.939" 4.755"
5 Bolt 5.50" B.C. 3.233" 5.231"

 

 

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