| Clutch Ratio | Gearbox Ratio | Wheel Final Ratio | Rear Sprocket | Wheel Diameter | Width Tire | Tire Ratio | DV | Width Tire / DV | |||||||||||
| Crankshaft | Clutch | Clutch / Crankshaft | 1e | 2e | 3e | 4e | 18t | 19t | 20t | 21t | 22t | ||||||||
| BSA A65 | 28 | 58 | 2,07 | 2,51 | 1,60 | 1,14 | 1,00 | 2,33 | 2,21 | 2,10 | 2,00 | 1,91 | 42 | 18 | 4,00 | 1,00 | 1,00 | 4,00 | |
| Norton Commando | 25 | 57 | 2,28 | 2,56 | 1,70 | 1,21 | 1,00 | 2,33 | 2,21 | 2,10 | 2,00 | 1,91 | 42 | 19 | 4,10 | 1,00 | 1,00 | 4,10 | |
| Triumph Unit | 29 | 58 | 2,00 | 2,44 | 1,69 | 1,19 | 1,00 | 2,56 | 2,42 | 2,30 | 2,19 | 2,09 | 46 | 18 | 120,00 | 0,90 | 25,40 | 4,72 | |
| Vitesse = ((Wheel Diameter + ((Width Tire / DV) x Tire Ratio x 2)) x A2 x Type) / ((Clutch / Crankshaft) x Gearbox Ratio x (Rear Sprocket / Front Sprocket) x Facteur K) | |||||||||||||||||||