Back elastic to give good fit with plenty of clearance for various electrical and battery configurations

CNC Aluminum Big Bore Cylinder Construction Anodized Silver in Color Fully Assembled (requires shock oil) Heavy Duty Dual Rate Springs Heavy Duty 3

Hot Racing optional upgrade aluminum rear hub carrier uprights for the Traxxas X-maxx

Aluminum Rear Bulkhead for Traxxas E-Revo and Revo 3

higher-capacity 31mm shocks (the same shocks that come on the B5 series) for better compliance on very bumpy or loose tracks

Team Associated - Ball Diff Outdrive, B5 Replacement Parts Car and Truck Chassis & Attachments Back elastic to give good