For Traxxas 13-37T Ring Differential Gear Set For TRAXXAS E-REVO SUMMIT 5379X RC
Part Number: 5379X. Model：For TRAXXAS E-REVO SUMMIT 5379X RC. 1 Set Steel differential bevel gear. 2 Set Steel differential bevel gear. Material: 45# steel hardened. Number of teeth:13-37T. Not easy to rust, not easy to break.