Enkei RPF1 Wheels look and perform like they belong on racetrack with a unique split spoke design that's made the Enkei RPF1 one of the most popular wheels on the market. The twin spokes on the Enkei RPF1 achieve better stress dispersion on curves, hard braking, and extreme race driving. Enkei’s pocket design around the bolt circles increases rigidity and keeps the wheel cooler during aggressive race driving. Enkei’s pocket design around the bolt circles increases rigidity and keeps the wheel cooler during aggressive race driving.