Replacement Parts For TRAXXAS T-MAXX/ REVO 3.3/ E-REVO/ And E-MAXX Remote Control Vehicles; For Models With Sealed Pivot Ball Suspension And 3.8 Inch Diameter Wheels; Four Assembled Steel Shafts With Inner And Outer Sealed Blue Silicone Dust Boots; 7 Inch Length Between Center Of Ball Ends; 0.19 Inch Diameter; Center/ Front; Four Nickel Plated Steel Shafts; U-Joint Pins Held Together By Lightweight Aluminum Sleeve For Secure Pin Retention; Red Anodized Aluminum Accents