5mm Flanged Serrated Nylon Nuts (Red) Left There are two balance ports

There are two balance ports built into the charger for Traxxas LiPo batteries equipped with external balance leads

The Telemetry Expander accepts up to six auto-detectable sensors in addition to the three standard Traxxas sensors

Replace the E-Revo's dual servos with a single #2250 for lighter weight

BEC fits inside the extended receiver box for fully waterproof protection

5mm Flanged Serrated Nylon Nuts (Red) Left There are two balance portsNuts, 5mm flanged nylon locking (aluminum, red anodized, serrated) (4) Lightweight and great looking, these anodized aluminum flange lock nuts are the perfect finishing touch for your vehicle. The serrated flange and nylon locking washer keep them snug on the wheel during even the most intense action.