Engineered to handle heavy loads with ease, while providing a smooth ride in all conditions.
Quiet Ride
7
/10
Wet Traction
7
/10
Street Performance
7
/10
Snow
6
/10
Sizes & Specs
ST145R12 10PR
21.3"
5.8"
ST175/80R13 6PR
24"
7"
ST185/80R13 8PR
24.6"
7.2"
ST205/75R14 8PR
26.1"
8"
ST215/75R14 8PR
26.7"
8.5"
ST205/75R15 8PR
27.1"
8"
ST225/75R15 10PR
28.3"
8.8"
ST225/75R15 12PR
28.3"
8.8"
ST235/80R16 10PR
30.8"
9.3"
ST235/80R16 14PR
30.8"
9.3"
ST235/85R16 12PR
31.8"
9.3"
ST235/85R16 14PR
31.8"
9.3"
215/75R17.5 16PR
30.2"
8.5"
235/75R17.5 16PR
31.4"
9.3"
  • Atturo Item Number 90001 (ST320-I0131639)
  • load index / speed rating 95/90M
  • PLY Rating 10 PR
  • overall diameter inches 21.3
  • section width inches 5.8
  • Measuring Rim 4
  • approved rim width 4
  • tread depth 1/32 9
  • weight lbs 13.2
  • max psi 80
  • max load single lbs 1520
  • max load dual lbs 1325
  • Atturo Item Number 90003 (ST300-I0127291)
  • load index / speed rating 91/87M
  • PLY Rating 6 PR
  • overall diameter inches 24
  • section width inches 7
  • Measuring Rim 5
  • approved rim width 4.5 - 6.0
  • tread depth 1/32 9
  • weight lbs 16.9
  • max psi 50
  • max load single lbs 1360
  • max load dual lbs 1200
  • Atturo Item Number 90004 (ST320-I0131642)
  • load index / speed rating 99/95M
  • PLY Rating 8 PR
  • overall diameter inches 24.6
  • section width inches 7.2
  • Measuring Rim 5
  • approved rim width 4.5 - 6.0
  • tread depth 1/32 9
  • weight lbs 16.9
  • max psi 65
  • max load single lbs 1710
  • max load dual lbs 1520
  • Atturo Item Number 90005 (ST300-I0122899)
  • load index / speed rating 105/101M
  • PLY Rating 8 PR
  • overall diameter inches 26.1
  • section width inches 8
  • Measuring Rim 5.5
  • approved rim width 5.0 - 7.0
  • tread depth 1/32 9
  • weight lbs 22.4
  • max psi 65
  • max load single lbs 2040
  • max load dual lbs 1820
  • Atturo Item Number 90006 (ST300-I0122900)
  • load index / speed rating 108/103M
  • PLY Rating 8 PR
  • overall diameter inches 26.7
  • section width inches 8.5
  • Measuring Rim 6
  • approved rim width 5.5 - 7.0
  • tread depth 1/32 9
  • weight lbs 25.4
  • max psi 65
  • max load single lbs 2200
  • max load dual lbs 1930
  • Atturo Item Number 90008 (ST300-I0122901)
  • load index / speed rating 107/102M
  • PLY Rating 8 PR
  • overall diameter inches 27.1
  • section width inches 8
  • Measuring Rim 5.5
  • approved rim width 5.0 - 7.0
  • tread depth 1/32 9
  • weight lbs 23.9
  • max psi 65
  • max load single lbs 2150
  • max load dual lbs 1870
  • Atturo Item Number 90009 (ST300-I0122902)
  • load index / speed rating 117/112M
  • PLY Rating 10 PR
  • overall diameter inches 28.3
  • section width inches 8.8
  • Measuring Rim 6
  • approved rim width 6.0 - 7.5
  • tread depth 1/32 9
  • weight lbs 29.7
  • max psi 80
  • max load single lbs 2830
  • max load dual lbs 2470
  • Atturo Item Number 90010 (ST300-I0122903)
  • load index / speed rating 121/117M
  • PLY Rating 12 PR
  • overall diameter inches 28.3
  • section width inches 8.8
  • Measuring Rim 6
  • approved rim width 6.0 - 7.5
  • tread depth 1/32 9
  • weight lbs 32.3
  • max psi 95
  • max load single lbs 3195
  • max load dual lbs 2835
  • Atturo Item Number 90011 (ST300-I0122904)
  • load index / speed rating 123/119M
  • PLY Rating 10 PR
  • overall diameter inches 30.8
  • section width inches 9.3
  • Measuring Rim 6.5
  • approved rim width 6.0 - 8.0
  • tread depth 1/32 10
  • weight lbs 36.1
  • max psi 80
  • max load single lbs 3420
  • max load dual lbs 3000
  • Atturo Item Number 90012 (ST340-I0131353)
  • load index / speed rating 129/125M
  • PLY Rating 14 PR
  • overall diameter inches 30.8
  • section width inches 9.3
  • Measuring Rim 6.5
  • approved rim width 6.0 - 7.5
  • tread depth 1/32 10
  • weight lbs 56.2
  • max psi 110
  • max load single lbs 4080
  • max load dual lbs 3640
  • Atturo Item Number 90014 (ST320-I0131644)
  • load index / speed rating 128/124M
  • PLY Rating 12 PR
  • overall diameter inches 31.8
  • section width inches 9.3
  • Measuring Rim 6.5
  • approved rim width 6.0 - 7.5
  • tread depth 1/32 11
  • weight lbs 57.5
  • max psi 95
  • max load single lbs 3970
  • max load dual lbs 3525
  • Atturo Item Number 90013 (ST340-I0131354)
  • load index / speed rating 132/127M
  • PLY Rating 14 PR
  • overall diameter inches 31.8
  • section width inches 9.3
  • Measuring Rim 6.5
  • approved rim width 6.0 - 7.5
  • tread depth 1/32 11
  • weight lbs 57.5
  • max psi 110
  • max load single lbs 4410
  • max load dual lbs 3860
  • Atturo Item Number 90015 (ST340-I0131355)
  • load index / speed rating 135/133L
  • PLY Rating 16 PR
  • overall diameter inches 30.2
  • section width inches 8.5
  • Measuring Rim 6
  • approved rim width 6.00 - 6.75
  • tread depth 1/32 12
  • weight lbs 54.9
  • max psi 122
  • max load single lbs 4805
  • max load dual lbs 4540
  • Atturo Item Number 90016 (ST340-I0131356)
  • load index / speed rating 143/141L
  • PLY Rating 16 PR
  • overall diameter inches 31.4
  • section width inches 9.3
  • Measuring Rim 6.8
  • approved rim width 6.75 - 7.50
  • tread depth 1/32 12
  • weight lbs 59.6
  • max psi 127
  • max load single lbs 6010
  • max load dual lbs 5675
Designs

CHANNELS

CLEANS

Provides excellent traction in wet and dry conditions.

CENTER RIB

STABILIZES

Tracks your tow vehicle on the highway and keeps your trailer stable behind you.

INTERLOCKING TREAD

QUIETS

Keeps your ride smooth and easy.

Customer Reviews for ST300

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