Kosei K1-ts

Our Kosei K1 TS has two valve stems and many customers ask why. They are located 180 degrees from each other. In racing, many teams use nitrogen. Nitrogen has larger molecules than ambient air and is less likely to "seep" through the pores in all tires. It also is less sensitive to…

…Shop by vehicle. Then you can filter search results by brand, diameter, finish and weight. Enkei Racing Series RPF1 (Black Painted) on 2009 Subaru Imperza WRX - 17x7.5 15.2 lbs. Kosei K1 TS (Silver Painted) on 2006 Mazda MX-5 Miata - 17x9 16 lbs. Take a look to see which wheel fits your vehicle!

…streetable. To that end, our driver, Chris Harvey, drove 250 miles to and from the event on the same Dunlop Direzza Sport Z1 Star Spec tires and Kosei K1TS wheels he raced on—just like we did for the Peru National Tour two weeks earlier. No tire change at the event was needed. The rest of our…