FixedGearFever.com Gear Chart 38 39 40 41 42 43 44 12 85.5 87.8 90.0 92.3 94.5 96.8 99.0 13 78.9 81.0 83.1 85.2 87.2 89.3 91.4 14 73.3 75.2 77.1 79.1 81.0 82.9 84.9 15 68.4 70.2 72.0 73.8 75.6 77.4 79.2 16 64.1 65.8 67.5 69.2 70.9 72.6 74.3 17 60.4 61.9 63.5 65.1 66.7 68.3 69.9 18 57.0 58.5 60.0 61.5 63.0 64.5 66.0 19 54.0 55.4 56.8 58.3 59.7 61.1 62.5 20 51.3 52.7 54.0 55.4 56.7 58.1 59.4 45 46 47 48 49 50 51 12 101.3 103.5 105.8 108.0 110.3 112.5 114.8 13 93.5 95.5 97.6 99.7 101.8 103.8 105.9 14 86.8 88.7 90.6 92.6 94.5 96.4 98.4 15 81.0 82.8 84.6 86.4 88.2 90.0 91.8 16 75.9 77.6 79.3 81.0 82.7 84.4 86.1 17 71.5 73.1 74.6 76.2 77.8 79.4 81.0 18 67.5 69.0 70.5 72.0 73.5 75.0 76.5 19 63.9 65.4 66.8 68.2 69.6 71.1 72.5 20 60.8 62.1 63.5 64.8 66.2 67.5 68.9 52 53 54 55 56 57 58 12 117.0 119.3 121.5 123.8 126.0 128.3 130.5 13 108.0 110.1 112.2 114.2 116.3 118.4 120.5 14 100.3 102.2 104.1 106.1 108.0 109.9 111.9 15 93.6 95.4 97.2 99.0 100.8 102.6 104.4 16 87.8 89.4 91.1 92.8 94.5 96.2 97.9 17 82.6 84.2 85.8 87.4 88.9 90.5 92.1 18 78.0 79.5 81.0 82.5 84.0 85.5 87.0 19 73.9 75.3 76.7 78.2 79.6 81.0 82.4 20 70.2 71.6 72.9 74.3 75.6 77.0 78.3