GRIPPER R/T-KBy maintaining lightweight casing and adding our new proprietary Aramid fiber reinforced sidewall, we have taken our Gripper R T K to the next level. Ultra strong and lightweight, the Aramid Fiber sidewall adds unparalleled strength and puncture resistance without a weight penalty. These products can expose you to chemicals including chromium, nickel and lead which are known by the State of California to cause cancer, or birth defects, or other