Caliber II Fifty Caliber 10"/50 Satin Green Trucks (Set Of 2) Caliber II Fifty Caliber 10"/50 Satin Green Trucks. The Fifty Caliber is stable at high speeds while also having an optimal angle for making strong carves. The hanger is not only reversible, but when flipped there is no rake to throw off the ride. The bushing seats are symmetrical with an optimal setup for any style of bushing. The pivot of the baseplate is self contained keeping it from having any weakness.