Samix Brass Outer Portal Covers for Traxxas TRX-4 (Black) (2) (27.5g) Crawler Shocks and the U-joint pins are

and the U-joint pins are held captive by a lightweight aluminum sleeve so you never have to worry about losing a pin

Automatic storage function

Surge ratings should never be used to determine a pack's suitability for a brushless application

Input Voltage Range: 2S LiPo (7

Samix Brass Outer Portal Covers for Traxxas TRX-4 (Black) (2) (27.5g) Crawler Shocks and the U-joint pins areThe Samix Traxxas TRX 4 Brass Portal Cover Set is a precision machined portal cover that adds 55 grams of unsprung weight to the front or rear of your TRX 4, for improved forward weight bias and performance. Unlike other brass parts, these feature a stealthy black finish, with chamfered edges that give the parts an unmatched look that offers a touch of bling to your scaler. Plus, when combined with the Samix scale brake rotors (SAMTRX4 6412 not