Tirex LLC
Tires For The 21st Century
Inner
Tubes		 Cámaras de Aire Câmaras Inner Tubes - Chinese
TUBE CONVERSION CHART
Radial Passenger Inner Tube Conversion Chart		 Ziggurat
BIAS
PASSENGER INNER TUBES
ALPHA NUMERIC P-METRIC *
GROUP SIZE 78
SERIES		 70
SERIES		 60
SERIES		 NUMERIC 80
SERIES		 75
SERIES		 70
SERIES		 60
SERIES
F-13/14 A78-13 A70-13   6.40-13 P175/80
B.D.-13		 P185/75
B.D.-13		 P185/70
B.D.-13		  
  B78-13 B70-13   6.50-13 P185/80
B.D.-13		 P195/75
B.D.-13		 P195/70
B.D.-13		  
  C78-13 C70-13   6.70-13        
        7.00-13        
  B78-14 C70-14   5.60-14 P175/80
B.D.-14		 P175/75
B.D.-14		 P185/70
B.D.-14		 P205/60
B.D.-14
  C78-14 D70-14   6.00-14 P185/80
B.D.-14		     P215/60
B.D.-14
  D78-14     7.35-14        
        7-14        
 F-15 B78-15     5.60-15 P155/80
B.D.-15		 P175/75
B.D.-15		    
        5.90-15 P165/80
B.D.-15		      
        6.00-15        
        6.85-15        
 G-13/14/15   D70-13         P205/70
B.D.-13		  
  E78-14 E70-14       P185/75
B.D.-14		 P195/70
B.D.-14		 P225/60
B.D.-14
  F78-14 F70-14 E60-14     P195/75
B.D.-14		 P205/70
B.D.-14		  
  G78-14 G70-14   7.00-14LT#   P205/75
B.D.-14		 P215/70
B.D.-14		  
        7.9-14LT#        
  E78-14LT#     26x8.50B.D.-14LT#        
    G70-14 C60-14       P225/70
B.D.-14		 P235/60
B.D.-14
      G60-14          
  C78-15 C70-15 C60-15 25x7.50R.B.D.-15# P195/80
B.D.-15		 P185/75
B.D.-15		 P195/70
B.D.-15		 P195/60
B.D.-15
  D78-15 D70-15 D60-15     P195/75
B.D.-15		 P205/70
B.D.-15		 P205/60
B.D.-15
  E78-15 E70-15 E60-15     P205/75
B.D.-15		   P215/60
B.D.-15
  F78-15 F70-15            
  G78-15              
K-14/15   H70-14 F60-15 7.50-14   P215/75
B.D.-14		 P215/70
B.D.-15		 P225/60
B.D.-15
        8.25-14   P215/75
B.D.-15		 P225/70
B.D.-15		 P235/60
B.D.-15
        9.50-14   P225/75
B.D.-14		    
  H78-15 G70-15 G60-15 7.35-15   P225/75
B.D.-15		 P235/70
B.D.-15		 P245/60
B.D.-15
  J78-15 H70-15 H60-15 8.20-15   P235/75
B.D.-14		    
  L78-15     8.55-15   P235/75
B.D.-15		    
M-14/15 H78-14   J60-14       P235/70
B.D.-14		  
  J78-14   L60-14          
      M60-14          
  N78-15 J70-15 L60-15 8.90-15     P245/70
B.D.-15		 P225/60
B.D.-15
    K70-15 M60-15 9.00-15     P225/70
B.D.-15		 P275/60
B.D.-15
    L70-15 N60-15 9.15-15        
K-16       6.50-16        
        6.70-16        
        7.00-16        
        7.60-16        
* B=BIAS; D=DIAGONAL BELTED TIRE #APPLY TR B6 BUSHING
DO NOT USE BIAS TUBES IN RADIAL TIRES

SERVICE REMINDER
To avoid surface cracking, always store new or out-of-service tubes
in an airtight container (e.g., sealed box, trash bag, etc.).
Weather-checked tubes should not be placed in service.
Radial Passenger Inner Tube Conversion Chart