Our highest performance road saddle features a FACT carbon fibre shell tuned for racing & a flat profile & thin padding perfect for explosive efforts. The Topue is the saddle of choice for multiple Grand Tour Champion Alberto Contador. Patented Body Geometry design is lab tested to assure blood flow to sensitive arteries FACT carbon fibre shell is flex tuned for support & ride compliance Ultra-light & strong oversized FACT carbon rails Tough light & water resistant Micromatrix cover Sizes available 130mm 143mm & 155mm NOTE: Oversized 7x 9mm carbon rails are not compatible with seatposts equipped with side-load clamp mechanisms for 7mm round rails