The frame is made of aluminum and is 11.4 (289mm) inches long. xml: namespace prefix = "o" ns = "urn: schemas-microsoft-com: office: office" /> The Trinity mounting system is a new grip that allows the wheels to get closer to the shoe for maximum centering, stability , more vibration-induced driving, more power to reflection and more control during skating. Frame powered by V-Mart Air Tire 150mm. The wheels are equipped with Wicked SUS bearings, rustproof bearings and are ideal for wet terrain.