This Hop-Up option component should be to be properly used as a result of TC-01 framework. The component replaces the stock synthetic spend aluminum elements as a result of this increasing a high-spec suspension system system system system setup. • Aluminum Damper Extenders x4 • they've been accuracy, lightweight aluminum variants the kit-standard artificial component. They further enhance damper performance. • Tamiya blue anodized finish. • well suited for TC-01 framework cars.