1、Made of high quality aluminum alloy material, exquisite workmanship, wear resistant and durable. 2、Update your remote control car and improve its performance, very suitable for remote control car. 3、High degree of simulation, minor upgrades to improve overall control performance and durability. 4、Installation is simple and convenient. It is an excellent replacement accessory to replace the outer rings of the original car's plastic wheel hub. 5、Easy to install and disassemble, even if you are an amateur, you don't need any professional requirements. Item Type: RC Accessories Colour: Black Material: Aluminum Alloy + Zinc Alloy Suitable Models: For Axial , for Scx10 90046 , for  Traxxas , for TRX4 D90 , for HSP , for Redcat , for Tamiya , for Hpi Installation. 2 x Hub Outer Rings