| HARD |  Tableau des duretés
            des gommes (chez Avon) | 
        
          | A33 | Stronger than A29 for very hard
            saloon use | 
        
          | A29 | More durable than A42 | 
        
          | A42 | Generates more grip and higher
            temperature than A29 | 
        
          | A31 | Durable compound mostly used on
            saloon cars | 
        
          | A30 | Generates higher temperature
            and grip than A31 | 
        
          | A46 | Medium/hard single seater
            applications | 
        
          | A37 | Back up to A24. Used in hard
            single seater applications | 
        
          | A24 | Used in medium single seater/soft
            saloon applications | 
        
          | A43 | Soft circuit slick compound, also used as
            contract wet. | 
        
          | A11 | Medium compound used in sports,
            historic sports and similar applications | 
        
          | A26 | Generates higher grip than A11
            in lightweight applications | 
        
          | A49 | Medium/soft Rallycross compound
            also used in lightweight circuit applications | 
        
          | A15 | Soft compound used as hillclimb
            slick and other lightweight applications | 
        
          | A39 | Soft compound used as
            Rallycross slick, other applications as A15 | 
        
          | A40 | Soft compound used in very
            lightweight applications | 
        
          | SOFT |   |