The SamixTraxxas TRX-4 Brass Pivot Ball Set is machined from high quality brass material and weigh 22 grams for the set. These are a direct replacement upgrade for the stock pivot balls that are included with the TRX-4 trucks. This is a complete kit that includes all the pivot balls needed to convert one truck.

Features:

• Machined from high quality brass material
• More durable, and longer life than stock parts
• Direct replacement for stock pivot balls
• Full kit weighs 22 grams