Caliber II Forty-Four 10"/44 Satin Blue Trucks (Set Of 2) Caliber II Forty-Four 10"/44 Satin Blue Trucks. The 44 degree hanger angle allows performance riders to push the limits of downhill racing. To further optimize the trucks' stability, Blood Orange Bushings are configured with two 89a durometer barrels to avoid high speed wobbles. Like all Caliber Trucks, the kingpin is made of grade 8 steel to ensure your trucks will stay in one piece, no matter how hard you push them.