This is an optional Wheelie Bar Mount for the Traxxas Electric Stampede, Rustler and Bandit. FEATURES: Constructed of hardened plastic, black in color Installs at rear of chassis to hold wheelie bar arm and wheels in place INCLUDES: Assembled optional Wheelie Bar Mount with mounting instructions and hardware REQUIRES: Wheelie Bar Arm (TRAC9574) Wheels and Axles (TRAC9576) jxs 5/02/07 ir/jxs BOX DIMENSIONS: 4.25" W. X 1.25" H. X 4.75" L. BOX WEIGHT: .08 LBS.