Independent Trucks Reynolds Stage 11 GC Hollow Baker Trucks - Pair Axle Width: (129) 7.6 in, (139) 8 in, (149) 8.5 in Truck Width: (129) 127 mm, (139) 137 mm, (149) 149 mm Kingpin: grade 8 steel Material: (hanger) 356 T6 aluminum, (axle) chromoly steel Height: (all) 55 mm