The Prologo Scratch M5 PAS Tirox 140 Saddle in black is a high-performance cycling saddle designed for serious riders. The saddle features TIROX 7mm light alloy rails, which provide a strong and durable base for the saddle. The rails are also lightweight, which helps to reduce the overall weight of the saddle.The dimensions of the saddle are 250 x 140 mm, which provides a comfortable and supportive platform for the rider. The saddle is designed with a PAS (Perineal Area System) cut-out, which helps to relieve pressure on the perineal area and improve blood flow. This makes the saddle ideal for long rides and endurance cycling.The Prologo Scratch M5 PAS Tirox 140 Saddle weighs just 185 g, making it one of the lightest saddles on the market. The saddle is also designed with a sleek and stylish black finish, which will complement any bike. Overall, the Prologo Scratch M5 PAS Tirox 140 Saddle is a top-of-the-line cycling saddle that offers exceptional performance and comfort for serious riders.