The right sag depends mostly on your weight and how you ride. Here are the starting values for the Aprilia RS 660, calculated by ClickGarage.AI from the model data. For clicks, preload and pressures use the calculator with your real weight.
| Front travel | 120 mm |
| Rear travel | 130 mm |
| Wheelbase | 1370 mm |
| Wet weight | 183 kg |
Touring use, solo rider, no luggage.
| Front | 40.8 mm |
| Rear | 46.8 mm |
These are indicative starting values: they change with type of use, luggage and passenger. The calculator takes everything into account and also gives you clicks, preload and pressures.