Traxxas TRX-4M Brass Caster Blocks (2) (4g) Axle Housing Hex hardware with Rust-Resistant Black

Hex hardware with Rust-Resistant Black Oxide Coating

combined with the super magnetic rotor improves the G3R Stock motor's torque by 13

Variable frequency regulation of PWM & brake frequencies allows users to precisely regulate the driving & braking forces (of the motors)

Dimensions (LxW): 28x15

Traxxas TRX-4M Brass Caster Blocks (2) (4g) Axle Housing Hex hardware with Rust-Resistant BlackTraxxas TRX 4M Brass Caster Blocks. These optional brass caster blocks are an excellent upgrade for your TRX 4M rock crawler. Constructed from brass these add 4g of weight down low on your vehicle keeping it more stable on steep terrain. Upgrade your ride with this easy bolt on option. Package includes one left and one right side brass caster block.