The MotoSport.com Artrax Tire Combo includes ONE Front and ONE Rear Artrax tire in your choice of model with the following features: The Tire Combo from Artrax allows you to choose any front and rear combination of the following Artrax tire models. Get exactly what you need in size and features at prices that you will not be able to say no to. Artrax MX-PRO Specifications: Made for Soft / Intermediate terrain. Artrax MX PRO tires offer excellent traction in ruts and flat corners. Tread pattern offers great grip in all terrains and improves braking performance. Durable tire compound. Artrax XC Enduro Specifications: Made for Soft / Intermediate / Hard terrain.