The Treal Hobby 1.0" Brass Beadlock Wheel Rings give your Traxxas® TRX-4M™ a precise handling boost by adding 27g of brass weight per ring, allowing you to fine-tune front or full-rig weight bias for better climbing traction and stability. Built from high-quality brass for long-lasting strength and a perfect fit on Treal 1.0" Beadlock Wheels, these rings provide a simple, effective way to enhance control and performance on demanding micro-crawler terrain.