A. Bicycle Seat Cushion RYET Carbon Fiber 3D Printed Bicycle Seat Cushion, available in two sizes of 140mm and 143mm. It is an ultra - light road/mountain bike racing seat cushion, serving as a bicycle seat cushion buffer pad and cycling seat component. This Ryet seat cushion features eye - catching patterns and specialized racing design features. The carbon fiber rails provide lightweight support even in demanding situations. The shape of the seat cushion is designed to fit the human body, allowing the pelvis to move freely. At the same time, the oversized drainage groove design can relieve the pressure on the perineum. B. Technical Specifications of the Carbon Fiber Seat Cushion - Usage range: Road - Base: Full carbon fiber - Rails: 7x9mm oversized carbon fiber - Foam: EVA - Seat cover: Microfiber fabric - Shape: With a cutout - Dimensions: 250x143mm - Weight: 125g ± 5g - Warranty period: 1 year C. Technical Specifications of the 3D Carbon Fiber Seat Cushion - Usage range: Road - Base: Full carbon fiber - Rails: 7x9mm oversized carbon fiber - Foam: EVA - Seat cover: Microfiber fabric - Shape: With a cutout - Dimensions: 240x140mm - Weight: 160g ± 5g - Warranty period: 1 year D. Main Features - Ultra - lightweight structure - Designed for competitions - Comfort is considered E. Color: Matte black