Woven; hand laid carbon. Made from a sheet of carbon fiber fabric woven in a crisscross pattern. Laid by hand into a mold; then cured in resin. The fabric layers are aligned in specific directions for strength. Carbon fiber side covers. Ultra light weight and manufactured from highest quality pure carbon fiber. The combination of weight reduction and the look of true carbon fiber makes these covers a must have add-on for any Club Style or performance orientated bike. Hassle-free installation. EU made. - Ultra light weight around 510 grams per set- Manufactured from top quality carbon fiber - Gloss UV stable surface - With pins for a snap-on installation - Bolt-on replacement for the stock side covers - It is advised installation is done by a capable mechanic