Independent Trucks Stage 11 Forged Titanium Trucks - Pair Axle Width: (139) 8 in, (149) 8.5 in, (159) 8.75 in, (169) 9.125 in Truck Width: (139) 137 mm, (149) 149 mm, (159) 156 mm, (169) 166 mm Kingpin: hollow chromoly steel Material: (hanger) 356 T6 aluminum, (axle) solid titanium, (kingpin) hollow chromoly steel, (baseplate) forged aluminum Height: (all) 53.5 mm