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.
2015 BMW R9T, 2010 Ducati 1098 Streetfighter S
2009 Kaw 650 Versys, 1967 Triumph 650 TT Special