HPI Racing 4422 Proxes R1R T-Drift Tire, 26mm, 2-Piece These Toyo Proxes T-Drift Tires are a special hard plastic tire with the fully licensed tread pattern from the popular Toyo Proxes R1R tire Drifters can now switch from slicks to treaded tires to fine tune their car to track conditions Extremely hard compound delivers long life and makes it easy to break traction to get your machine sideways for maximum drift angle