On both bikes I currently ride, I can easily lock the front wheel with two fingers. I need the other two to operate the throttle to rev match during downshifts while braking for a corner. Brake application is almost instantaneous because the two fingers always rest on top of the brake lever.
15 BMW RnineT
10 Ducati 1098 Streetfighter S - "Sleipnir"
09 Kaw Versys
67 Triumph Bonneville TT Special