These are the Terra-Pin S Compound Tires for the HPI Savage XL, HPID54**. FEATURES: Made of Rubber Black in Color Terra-Pin Tread S Comound YOU WILL RECEIVE: (2) Tires (2) Foam inserts REQUIREMENTS: Wheels Tire Glue DTXR2000, DTXR2002 SPECIFICATIONS: Outside Diameter: 170mm (6.69") Inside Diameter: 77mm (3.03") Width: 84mm (3.31") cnh 6/12/08 ir/jxs &