The R-Design 250mm (10") Wheelie Bar is a carbon fiber and machined 6061 aluminum Traxxas style wheelie bar option designed to be extremely adjustable and tunable, while maintaining durability. The bar has provisions to allow shock mounting and an optional adjustable shock mount is also available (RDD2511 - not included). The bar includes 30mm aluminum wheels that can be mounted on either the inside or outside faces of the wheels mount and the offset design gives two width options in either position. All the hardware included is metric M3 Grade 12.9. Includes: