... EN standard& OEM 3.3k,12k,ud 3.95g ultra light carbon road bike saddle with 100% carbon fiber Features: 1 ... Carbon Seatpost, Carbon Clamp, Carbon Saddle About ROSIT Shenzhen Rosit industry co.,ltd is a professional manufacturer specialized in producing Carbon bicycle frame ... , military, and motorsports, along with other competition sports. ultra light carbon road bike saddle with 100% carbon fiber