Trucks: C7.4 Front Truck, C2.4 Rear Truck C7.4 Bushings: Top - 0.375" 95A Conical= Bottom - 0.55" 95A Barrel C2.4 Bushings: Top - 0.58" 89A Conical= Bottom - 0.65" 89A Barrel Risers: 2 Risers Hardware: 1 1/4" Stainless Steel Lifetime Guaranteed Components: Hanger, Arm, Base Axle Width: 9". Truck Height: 2 7/8" Material: Aircraft Grade, Industrial Recycled A356 Aluminum, heat treated to Rockwell T6