Two pairs of Tender Spring

A number of different variants were produced

Its aerodynamic cowl design is very distinctive

Anodized blue

Full Precision Ball Bearing Support

Hot Racing - Heavy 76g Brass Knuckle Weight, for Traxxas TRX-4 Associated Electrics Two pairs of Tender SpringHot Racing heavy brass knuckles weights for the front (typical application) or rear of the Traxxas TRX 4 crawler. Adds weight to the Traxxas TRX 4 crawler where it needs it down low. Adds 76g per knuckle to lower the vehicle's center of gravity, increase its stability, and make it an overall more capable crawler. When used on the front, these weights aid climbing and help reduce the chance of flipping backwards. Features: CNC machined solid brass