19 tooth 26”wheel, 46T Rear Sprocket, 1st 2nd 3rd 4th 3000 19.64 28.69 40.27 47.92 3500 22.91 33.47 46.98 55.91 4000 26.18 38.26 53.69 63.89 4500 29.46 43.04 60.40 71.88 5000 32.73 47.82 67.11 79.87 5500 36.00 52.61 73.83 87.85 6000 39.28 57.39 80.54 98.84 6500 42.55 62.17 87.25 103.83 6700 43.86 64.08 89.94 107.02 7000 45.82 66.95 93.96 111.82 20 tooth 26”wheel, 46T Rear Sprocket 3000 20.67 30.20 42.39 50.44 3500 24.12 35.24 49.45 58.85 4000 27.56 40.27 56.52 67.26 4500 31.01 45.31 63.58 75.66 5000 34.45 50.34 70.65 84.07 5500 37.90 55.67 77.71 92.48 6000 41.34 60.41 84.78 100.89 6500 44.79 65.44 91.84 109.24 6700 46.17 67.46 94.67 112.66 7000 48.24 70.48 98.91 117.70 21 tooth 26”wheel, 46T Rear Sprocket 3000 21.70 31.34 44.51 52.96 3500 25.32 36.56 51.92 61.79 4000 28.94 41.78 59.34 70.62 4500 32.56 47.01 66.76 79.45 5000 36.18 52.23 74.18 88.27 5500 39.79 57.46 81.60 97.10 6000 43.41 62.68 89.02 105.93 6500 47.03 67.90 96.44 114.76 6700 48.48 69.99 99.40 118.29 7000 50.65 74.00 103.85 123.59