Specially designed for the 8.1-K4 reed valve (70cc engine), they are made of carbon fiber, the 9/12 weave makes the reed medium flexible. Also available in the 9/9 weft version, more rigid “soft”. Products intended exclusively for racing, forbidden to use on the road. We decline any responsibility for improper use. Made in Italy product.
8.1 also recommends these components for racing...