Correct Suspension is the single most important element in Motocross
Modern MX engines have massive power but if your bike suspension
is not re-oiled and gassed regularly you will never get to use that power.
4 Twotwo Racing use the Andreani vacuum pump SP2 for rear shocks
Which gives perfect bleeding of the shock absorbers, checks the vacuum
inside the single shock absorber, gives perfect measurement of the oil
without errors and perfect measurement of the Nitrogen.