Hot Bodies 67970 Proto Tire Blue Baja 5B Re (2) Hot Bodies set of two Proto Rear Tires, in blue, firm compound. With large tread lugs these tires are durable and still provide excellent grip making them good all around tires that are best suited for soft terrain and long mains. Red is soft compound, White is medium compound and Blue is Firm compound. Large tread lugs. Provide excellent grip making them good all around tires.