ST Racing hub carriers. Another highly requested parts by Axial AX10 Scorpion owners are these precision machined aluminum hub carriers. Featuring the same high quality aluminum material and precision machine work that you have come to expect from ST Racing Concepts. These hub carriers offers great increase in durability over the stock pieces, and also adds great factory looks to your AX10 Scorpion, especially when used in conjunction with our machined aluminum steering knuckles.