1Made of high quality aluminum alloy, avoid sticking with lock, wear resistant, durable and strong. 2Exquisite workman and perfect style can enhance the authenticity of RC cars. 3Good spare parts for remote control car, fit for Tamiya 1/14 tractor semi trailer truck. 4Reasonable design and perfect matching model reduce the gravity of the car and improve the performance of RC car. 5Not afraid of collisions and falls, it can withstand high temperatures, strong winds and sunlight without affecting its normal visual effects. Item Type: Metal Unpowered Axle with Rear Hub Kit Material: Aluminum Alloy Color: Silver (Hub), Black (Axle) Hub Diameter: Approx. 47mm/1.9in Hub Width: Approx. 44mm/1.7in Application: for Tamiya 1/14 Tractor Semi Trailer Truck 1 x Metal Unpowered Rear Axle 2 x Metal Rear Hub