The Nitto NT05R is designed to work well with the NT05 Max Performance Tire. NT05R's design is geared toward competition racing. Featuring a racing specific rubber compound for additional traction, giving you the advantage on start up. It also features an enhanced sidewall and high-modulus bead filter with large shoulder blocks that stabilizes your ride on straight roads. Nitto NT05R has a big center rib to ensure continuous contact on dry roads and is D.O.T. compliant.