Features: Patented 4-points support design increases more stiffness, elasticity and smooth With rubber block on the rear left and right support points makes the comfortable performance driven saddle Entire carbon fiber material for the shell and rail obtain superlight weight Saddle Dimension: 267*129*37mm Rail: UD Carbon Fiber, 7*9mm Shell: Carbon Fiber Weight: 110g Made in Taiwan Patented Applicatoin Country: USA/Germany/Taiwan Quality Certificate: ISO9001/EQA/ANA Installation Tips: Because the carbon saddle track is not round design, so we advice to use the head tube clamp by which the carbon track is equally weighted with a large area of stress and clamped by up and down(as show in product picture). About Trigon Trigon has been a manufacturer of carbon products for the last 8 years. However, the owners and workers have near 25 years of experience in manufacturing and designing carbon layup. Trigon has sourced the best carbon in the world. Its strengths and weakness and has been able to choose the best carbon layup for their frames and components. The 4 different carbon choices of Trigon have been carefully selected and Trigon has found a unique, strong resin that has helped aid to create the strong, unique light products that Trigon is known for producing. All carbon components are hand wrapped, so the details of production and layup are crucial.