Dalton Pro patented Quick Adjust Cam Arms allow you to adjust the weight of the main body of the flyweight without even removing the flyweight from the drive clutch.

Turn each flyweight to the top position and you can add or subtract mass from the flyweight body by use of the supplied allen wrench. A great convenience when tuning newer Arctic models with the fixed pin clutch. These flyweights offer up to 7.5 grams of adjustability.