Pair of Hot Bodies UFO Wheels and Fireball Oversized Tires for the HPI Savage Truck. FEATURES: Huge 7.0 (172mm) outer diameter tires Tires are pre-glued onto 5-star chrome UFO wheels 14mm mounting hex size. INCLUDED: Two wheels with premounted Fireball Tires for the HPI Savage. REQUIRES: Installation onto truck. SPECS: Outer diameter: 7.0" (172mm) Width: 3.9" (100mm) Offset: 2.2" (55mm) approx. NOTES: Hotbodies recommends using the long wheelbase conversion with these wheels. These wheels also fit the Tamiya Terra Crusher, Traxxas Maxx, and the Associated Monster GT wheel size. Due to their size, these wheels may not work without some sort of modification on those trucks.