Sierra Commercial Truck and Bus Tyres
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![Sierra tyres]( "Sierra tires")
Section width (mm): 255 -315
Section width (in): 11 -12
Aspect ratio (%): 70 -80
Rim diameter (in): 22.5 - 24.5
Speed Rating: L,M
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![Sierra tyres]( "Sierra tires")
Section width (mm): 285 -295
Section width (in): 11
Aspect ratio (%): 75
Rim diameter (in): 22.5 - 24.5
Speed Rating: L 
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![Sierra tyres]( "Sierra tires")
Section width (mm): 315
Section width (in): 11 -12
Aspect ratio (%): 80
Rim diameter (in): 22.5 - 24.5
Speed Rating: K,L 
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![Sierra tyres]( "Sierra tires")
Section width (mm): 295 -315
Section width (in): 12 -13
Aspect ratio (%): 80
Rim diameter (in): 22.5
Speed Rating: K,L,M 
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![Sierra tyres]( "Sierra tires")
Section width (mm): 295
Section width (in): 11 -12
Aspect ratio (%): 80
Rim diameter (in): 22.5
Speed Rating: L
