VSR Razor™ front ends are made to the highest standard. The rims are CNC machined Black Delrin, Axles are CNC micro polished Steel and the Razor™ tires are extruded from Silicone rubber. The Razor™ front end offers a high performance light weight, low rolling resistance front end for all levels of enthusiast. This setup is for the AFX G Plus, Magna Traction and X Traction and features .405 front tires. No tools required for assembly.