These are the optional GTR Tan Shock Springs for use on theTraxxas 1/16 E-Revo VXL 4WD RTR (TRAD01**).FEATURES: Steel construction Red in color 2.06 rate, tanINCLUDES: Two GTR Shock SpringsREQUIRES: Installation on the shock bodySPECS: Length: 20.6mm (0.81") Outer Diameter: 13.6mm (0.55") Inner Diameter: 11.15mm (0.44") Wire Diameter: 1.3mm (0.05")
