Accepts P-Metric and Inches
130/60-21 | 100/90-21 | Difference | |
---|---|---|---|
Diameter inches (mm) | 27.14 (689.4) | 28.09 (713.4) | 0.94 (24) 3.5% |
Width inches (mm) | 5.12 (130) | 3.94 (100) | -1.18 (-30) -23.1% |
Circum. inches (mm) | 85.27 (2165.81) | 88.24 (2241.21) | 2.97 (75.4) 3.5% |
Sidewall Height inches (mm) | 3.07 (78) | 3.54 (90) | 0.47 (12) 15.4% |
Revolutions per mile (km) | 743.07 (461.72) | 718.07 (446.19) | -25 (-15.53) -3.4% |
Speedometer Difference
Speedo Reading | Actual Speed |
---|---|
20 mph (32.19 km/h) | 20.7 mph (33.31 km/h) |
25 mph (40.23 km/h) | 25.87 mph (41.63 km/h) |
30 mph (48.28 km/h) | 31.04 mph (49.96 km/h) |
35 mph (56.33 km/h) | 36.22 mph (58.29 km/h) |
40 mph (64.37 km/h) | 41.39 mph (66.61 km/h) |
45 mph (72.42 km/h) | 46.57 mph (74.94 km/h) |
50 mph (80.47 km/h) | 51.74 mph (83.27 km/h) |
55 mph (88.51 km/h) | 56.91 mph (91.6 km/h) |
60 mph (96.56 km/h) | 62.09 mph (99.92 km/h) |
65 mph (104.61 km/h) | 67.26 mph (108.25 km/h) |
70 mph (112.65 km/h) | 72.44 mph (116.58 km/h) |
75 mph (120.7 km/h) | 77.61 mph (124.9 km/h) |
80 mph (128.75 km/h) | 82.79 mph (133.23 km/h) |
85 mph (136.79 km/h) | 87.96 mph (141.56 km/h) |
90 mph (144.84 km/h) | 93.13 mph (149.88 km/h) |
95 mph (152.89 km/h) | 98.31 mph (158.21 km/h) |
100 mph (160.93 km/h) | 103.48 mph (166.54 km/h) |
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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1827 | 2123 | 2286 | 2387 | 2496 | 2574 | 2659 | 2760 | 2900 | 3040 | 3196 | 3320 | 3546 | 3795 | 3989 | 4113 | 4183 | 4440 | 4798 | 5575 |
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