RIRO Carbon Fiber 3D Printed Bike Saddle Hollow TT Triathlon Bicycle Seat Ultralight Carbon Rail Ergonomic Breathable Road Parts

The reviewer discusses the RIRO Carbon Fiber 3D Printed Bike Saddle as part of a bike build, noting it is a copy of the Fizik TT saddle but with a carbon body design they prefer. They mention the saddle has a wide nose for forward support in TT positions and a curved back for upright riding, and that the 3D printed material is comfortable.