Fashionable SPECZD Full Carbon Saddle Monocoque Carbon Fiber Saddle Seat Road Bike MTB Brand New, Never used or installed All Full Carbon Fiber structure Over size 270x120x50mm, Dia of rail: 9.5x6 mm Rider weight limit : 140 KG (264.5LBs) Recommended Use: cycling, road racing,MTB; Warranty:3 Years.