Luis's gearing chart With 700x32 wheel 52 42 30 32 43.09 34.81 24.86 28 49.25 39.78 28.41 24 57.46 46.41 33.15 21 65.66 53.04 37.88 18 76.61 61.88 44.20 16 86.18 69.61 49.72 14 98.50 79.56 56.83 12 114.91 92.81 66.30 11 125.36 101.25 72.32