Less vibrations and more comfort: the Reverse RCC 790 Seismic 31.8 mm x 790 mm 10 mm. The Seismic technology serves to absorb shocks without impacting the bars stiffness. This allows for more control and comfort. Plus, the bar is extremely durable. It is made of carbon and thus particularly strong and lightweight. The Reverse RCC 790 Seismic 31.8 mm x 790 mm 10 mm will reduce arm pump as well!