Blackbird Pyramid seat cover to substitute the original one. Produced with the best technologies on the market. It fits perfectly with the shapes of the seat, even with higher foams up to almost 2cm. Created using only one piece of ultra gripping and unicolour material. Tested in the World Championship it displayed the following characteristics: - very wearproof, even when the rider uses state of the art protective kneepads - best grip even with mud and rain - easy to assembly thanks to the shapes studied ad hoc to fit perfectly with the seat.