These are Blue replacement front wheels for the Duratrax Evader ST. The wheels support the tires and mount to the axles. FEATURES: Blue nylon construction INCLUDES: Two Front Wheels REQUIRES: Tires and CA glue. For glue, use GPMR6001. SPECS: Total outer diameter: 61.4mm (2.42") Tire bead diameter: 56.5mm (2.23") Width: 50mm (1.98") Axle hole size: 3/16" COMMENTS: This wheel uses two 3/16" x 3/8" ball bearings. For replacements, use DTXC1423 (one set per wheel). cmc 11/29/01 ir/kh