This is a pair of pre-mounted shockwave 3.8" All terrain truck tires mounted to f-11 black ½" offset wheels. prepare yourself for the new Pro-Line SHOCKWAVE! the SHOCKWAVE 3.8" tire is an all-new lightweight monster truck tire that is the same overall size as the stock Traxxas Talon tires but has way more traction! the SHOCKWAVE has a futuristic v-style tread that improves handling and performance on the street, dirt, grass or any terrain you want to go. this tire is perfect for the guys that like a nimble handling truck or are going for high-speed runs and don't want their tires turning into balloons or pizza cutters.