Kini Red Bull Flash off-road Helmet Navy Orange White MD (57-58cm). KINI Red Bull Flash Helmet. The Kini Red Bull Flash helmet is an off-road helmet MX helmet suitable for any type of rider. It represents innovation, maximum comfort and modern design, while ensuring maximum safety. The high pressure thermoplastic resin shell guarantees maximum protection. The classic double-D ring, mandatory in MX races, ensures safety during closure. An advanced air circulation system ensures optimal air supply during the ride. In addition, the hygiene standards are also capitalized. The ...