1、82A Hardness PU Wheel: The skateboard truck and wheels adopts 82A hardness PU wheel, which has high rebound rate and good shock absorption effect. 2、ABEC 9 Bearing: ABEC 9 standard bearing is adopted, which has high acuracy, low noise, uniform rotation speed and good coordination during high efficiency operation. 3、Bracket Material: Skateboard truck and PU wheels use magnesium aluminum alloy brackets, which have strong impact resistance and wear resistance. 4、Stable Performance: The skateboard wheels set is sturdy and durable, not easily deformed, and supports a high load bearing capacity of 250Kg. 5、Compatible: Skateboard truck set supports most boards, suitable for most longboards, dance boards, skateboards, electric skateboards, etc. 1 x Skateboard Truck and Wheels Item Type: Skateboard Truck and WheelsMaterial: Magnesium Alloy, PUOverall Length: Approx. 25.5cm/ 10.0in PU Wheel Size: Approx. 83 x 52mm/ 3.3 x 2.0in (Diameter x Width)Base: Approx. 4.3 x 5.3 x 6.3cm/ 1.7 x 2.1 x 2.5inBracket: Approx. 7.7 x 5.3cm/ 3.0 x 2.1inHeight Above Ground: Approx. 7cm/ 2.8inPU Wheel Hardness: 82ASkateboard Bridge Hardness: 88AMaximum Load: Approx. 250Kg/ 551.0IbScope of Application: Longboard, Dance Board, Electric Skateboard, Etc.