This lightweight mountain bike saddle is expertly tuned for stiffness & efficiency. The Phenom features a rounded anti-snag tail & the perfect amount of padding for all-day rides.> Patented Body Geometry design is lab tested to assure blood flow to sensitive arteries> Super-light EVA padding for comfort & support on longer rides> Stiff carbon reinforced shell for longevity & all-day riding efficiency> Lightweight & durable hollow titanium rails> Flush-mounted scuff guards for increased durability> Tough light & water resistant Micromatrix cover> A slight downturn in the nose for seated climbing> Soft rubber pad under nose for easy shouldering during off-road use> Size 130mm/ Weight 231g> Size 143mm/ Weight 242g> Size 155mm/ Weight 250g