1、Durable Material: Made of aluminum alloy material, durable, wear resistance, more delicate appearance, aluminum will not increase the extra burden of the remote control car. 2、Use Purpose: Rear hub carrier can minimize the gap, so that the bearing and the hub are accurately combined, so that the bearing will not fall off due to severe vibration. 3、Cool Appearance: No complicated steps to make your remote control car look more lifelike, more fine, more cool and more practical. 4、Reasonable Design: Easy to install and disassemble, can directly replace the original plastic or damaged, to obtain higher strength. 5、Applicable Model: Specially designed for remote control car, suitable for SG‑1603 SG‑1604 1/16 remote control car. Item Type: Rear Hub Carrier Material: Aluminum Alloy Weight: Approx.9g/0.3oz Size: Approx. 21x16mm/0.8x0.6in Applicable: for SG-1603 SG-1604 1/16 RC Car 2 x Rear Hub Carrier 2 x Screw