CVD-quality steel imported from Japan, forming a composite one-time heat treatment by CNC Coaxial precision control at , scrubbing domestic brands CVD accuracy and quality issues More smooth and durable! Perfect to replace the original CVD PS: 1: After the heat treatment of this material is imported from Japan, the picture is bronze, belonging to the true nature of withdrawals           2: LOSI CVD front and rear wheels are the same length, please rest assured to buy . Packing:1set/2pcs