Material: carbon fiber Surface: 3D printing Weight: 215G10G Seat rails:3K ( 240-143MM)7x11mm / UD (240-155mm)7X9MM.The rail is made of full carbon fiber, not Titanium. please note. Clamping torque: 6N.m Colour: Black 3D printing technology can fine adjust the hardness and extensibility of each area. Saddle is excellent in decompression, cushioning and lightness. The honeycomb design provides a more balanced weight distribution, so you can always feel comfortable on the saddle anywhere from gravel roads to flat tarmac roads. 3D printed carbon fiber bicycle saddle Size: 260-143MM Material: carbon fiber Surface: 3D printing technology Weight: 160+/-10g Seat Rails: 7x9mm Carbon Fiber Oval Bow. The rail is made of full carbon fiber, not Titanium. please note. Clamping torque: 6N.m Colour: Black 3D printing technology can fine-tune the stiffness and stretchability of each area, and the seat cushion excels in pressure relief, cushioning and lightness. The honeycomb design provides a more balanced weight distribution so you can always feel comfortable in the saddle anywhere from gravel to flat tarmac.