Upgrade your ride with the HJC f70 RED BULL SPIELBERG full-face motorcycle helmet in the striking blue-red / MC21SF colorway! Available in the following sizes: extra small, small, medium, large, extra large, double extra large. HJC F70 RED BULL SPIELBERG Full-Face Motorcycle Helmet - Blue-Red / MC21SF. HJC F70 Red Bull Spielberg Full Face Helmet. The new F70 combines cutting-edge design with upgraded features for a fresh, must-have helmet. If you're a rider who likes to stay ahead of the pack, this first addition to a new generation of helmets is calling your name. The unique design ...