This is a set of Dirt Buster Block Rear Tires for the HPI Baja. FEATURES: Square block pattern for high traction Molded from S compound rubber YOU WILL RECEIVE: Two Dirt Buster Block Rear Tires for the HPI Baja 5B REQUIREMENTS: Foam Inserts, HPIC4812, HPIC4806 Tire glue DTXR2000, DTXR2002 SPECIFICATIONS: Width: 3.1" (80mm) Outer Diameter: 6.7" (170mm) COMMENTS: For Front Tires and Inserts, order HPIC4831 jxs 7/24/06 ir/jxs &