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Stock Sizes

  • 255/75-16

Plus Sizes

  • 255/75-16

Accepts P-Metric and Inches
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165/70r12 vs 165/60r12 Tire Comparison Side By Side
  165/70-12 165/60-12 Difference
Diameter inches (mm) 21.09 (535.8) 19.8 (502.8) -1.3 (-33) -6.2%
Width inches (mm) 6.5 (165) 6.5 (165) 0 (0) 0%
Circum. inches (mm) 66.27 (1683.27) 62.19 (1579.59) -4.08 (-103.67) -6.2%
Sidewall Height inches (mm) 4.55 (115.5) 3.9 (99) -0.65 (-16.5) -14.3%
Revolutions per mile (km) 956.08 (594.08) 1018.83 (633.07) 62.75 (38.99) 6.6%

Speedometer Difference

Speedo Reading Actual Speed
20 mph (32.19 km/h)18.77 mph (30.2 km/h)
25 mph (40.23 km/h)23.46 mph (37.76 km/h)
30 mph (48.28 km/h)28.15 mph (45.31 km/h)
35 mph (56.33 km/h)32.84 mph (52.86 km/h)
40 mph (64.37 km/h)37.54 mph (60.41 km/h)
45 mph (72.42 km/h)42.23 mph (67.96 km/h)
50 mph (80.47 km/h)46.92 mph (75.51 km/h)
55 mph (88.51 km/h)51.61 mph (83.06 km/h)
60 mph (96.56 km/h)56.3 mph (90.61 km/h)
65 mph (104.61 km/h)61 mph (98.16 km/h)
70 mph (112.65 km/h)65.69 mph (105.72 km/h)
75 mph (120.7 km/h)70.38 mph (113.27 km/h)
80 mph (128.75 km/h)75.07 mph (120.82 km/h)
85 mph (136.79 km/h)79.76 mph (128.37 km/h)
90 mph (144.84 km/h)84.46 mph (135.92 km/h)
95 mph (152.89 km/h)89.15 mph (143.47 km/h)
100 mph (160.93 km/h)93.84 mph (151.02 km/h)

Gear Ratio / RPMs for New Tire (@ 65 mph)
2.35 2.73 2.94 3.07 3.21 3.31 3.42 3.55 3.73 3.91 4.11 4.27 4.56 4.88 5.13 5.29 5.38 5.71 6.17 7.17
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
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