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自転車のペダル1回転で走る距離の表

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スプロケットの歯数に対応した、ペダル1回転で走る距離(単位:m)を表1に示す。同表の左縦列の歯数はクランクスプロケット歯数(24T~56T)そして上行の歯数は後輪スプロケット歯数(11T~34T)を示す。歯数には市販されていないものも含む。昔々、ペダルが車軸に付いていた頃の自転車は、ペダル1回転で走る距離を長くするためには、車輪を大きくする必要があった。

(表が見切れる場合は横にスクロールできます)

表1 ペダル1回転で走る距離[m](700x28Cタイヤ)
11T12T13T14T15T16T17T18T19T20T21T22T23T24T25T26T27T28T29T30T32T34T
24T4.644.263.943.643.413.203.002.832.682.562.434.052.222.132.041.961.901.831.761.701.601.50
25T4.844.434.093.813.563.323.132.962.812.662.532.432.322.222.132.041.981.901.841.781.661.57
26T5.034.624.263.963.683.473.263.073.262.772.642.512.412.302.222.132.041.981.911.851.731.63
27T5.224.794.434.113.833.603.393.203.022.882.752.622.492.412.302.222.132.051.931.921.801.69
28T5.434.964.584.263.983.733.513.323.132.982.832.712.602.492.392.302.222.132.061.991.861.75
29T5.625.154.754.414.113.863.643.433.263.092.942.812.682.582.472.392.282.212.132.061.931.82
30T5.815.334.924.564.264.003.753.563.373.203.052.902.772.662.562.452.362.282.202.132.001.88
31T6.035.505.074.714.414.133.883.663.473.303.153.002.882.752.642.532.452.362.282.202.061.94
32T6.205.695.244.884.544.264.003.793.583.413.243.092.962.832.732.622.532.432.352.272.132.00
33T6.395.865.395.034.694.394.133.903.713.513.343.203.052.942.812.712.602.512.422.342.202.07
34T6.586.035.585.184.844.544.264.033.813.623.453.303.153.022.902.792.682.592.502.412.262.13
35T6.776.225.735.334.964.664.394.133.923.733.563.393.243.112.982.882.772.662.572.492.332.19
36T6.976.395.905.475.114.794.524.264.303.833.643.493.343.203.072.942.832.742.642.562.402.26
37T7.166.566.075.625.264.924.644.374.153.943.753.583.433.283.153.022.922.812.722.632.462.32
38T7.356.576.225.775.395.074.774.494.264.053.863.683.513.373.243.11>3.002.892.792.702.532.38
39T7.566.926.396.945.545.204.884.624.374.153.963.773.623.473.323.203.072.972.862.772.602.44
40T7.757.096.566.095.695.335.014.734.494.264.053.883.713.563.413.283.153.042.942.842.662.51
41T7.947.286.716.245.815.455.134.864.604.374.153.963.793.643.493.373.243.123.012.912.732.57
42T8.147.466.886.395.965.605.264.964.714.474.264.073.903.733.583.453.323.203.082.982.802.63
43T8.337.637.056.546.115.735.395.094.814.584.374.153.983.813.663.513.393.273.163.052.862.69
44T8.527.827.206.696.245.865.525.204.944.694.474.264.073.903.753.603.473.353.233.122.932.76
45T8.717.997.376.846.395.995.645.335.054.794.564.374.174.003.833.683.563.423.313.203.002.82
46T8.908.167.547.016.546.135.775.455.154.904.664.454.264.093.923.773.623.503.383.273.062.88
47T9.108.357.717.166.676.265.885.565.265.014.774.564.354.174.003.863.713.583.453.343.032.94
48T9.298.527.867.316.826.396.015.695.395.114.884.644.454.264.093.923.793.653.533.413.203.01
49T9.488.698.037.466.976.526.135.795.505.224.964.754.544.354.174.003.863.733.603.483.263.07
50T9.698.888.207.607.096.676.265.925.605.335.074.844.624.434.264.093.943.803.673.553.333.13
51T9.889.058.357.757.246.796.396.035.715.435.184.944.734.544.354.174.033.883.753.623.393.20
52T10.19.228.527.907.396.926.526.165.845.545.285.034.814.624.434.264.113.963.823.693.463.26
53T10.39.418.698.077.527.056.656.265.945.645.375.134.904.714.524.354.174.033.893.763.533.32
54T10.59.568.848.227.677.206.776.396.055.755.475.225.014.794.604.434.264.113.973.833.593.38
55T10.79.769.018.377.827.336.906.526.165.865.585.335.094.884.674.524.354.184.043.913.663.45
56T10.89.959.188.527.947.467.016.626.285.965.695.435.184.964.774.584.414.264.113.983.733.51
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