Wheelsize:   26.5
Chainwheels: 42 32 22
Sprockets:   11 13 15 17 19 21 24 28 32

Chain wheel: 1 ratios:  
1: 101.18 2: 85.62 3: 74.20 4: 65.47 5: 58.58 6: 53.00 7: 46.38 8: 39.75 9: 34.78 
Chain wheel: 2 ratios:  
1: 77.09 2: 65.23 3: 56.53 4: 49.88 5: 44.63 6: 40.38 7: 35.33 8: 30.29 9: 26.50 
Chain wheel: 3 ratios:  
1: 53.00 2: 44.85 3: 38.87 4: 34.29 5: 30.68 6: 27.76 7: 24.29 8: 20.82 9: 18.22