Improve your endurance riding with the modern Selle San Marco Aspide Short Supercomfort Racing, featuring Xsilite rails.Taking the unmistakable style of the much-loved Aspide and adding modern features makes the Aspide Short Supercomfort Racing the perfect choice for riders who need extra padding on long distance rides. The saddle shows off its inner body and technical details for a striking and unique style. Combining extra padding and Xsilite rails, this is a fantastic choice for people who ride rough terrain, spend long days in the saddle, or are casual cyclists.Features: Family: Aspide Short. Intended use: Road. Rail: Xsilite, Ø 7 mm. Dimensions: 139 x 250 mm (Size S3) / 155 x 250 mm (Size L3). Weight: 220 g (Size S3) / 223 g (Size L3). Reference: 913LN001 (Size S3) / 913LW001 (Size L3).Technologies: Racing - Xsilite: AiSi304 Stainless Steel hollow rails (outer Ø 7 mm - inner Ø 5 mm ) Very Light, resistant, and tough against all weather condition. A special production process guarantees excellent fatigue resistance. All Racing level saddles have a Xsilite Rails. Supercomfort: Improved, thicker padding (Biofoam Plus) featuring variable density to better guarantee a comfortable posture while riding. The central opening has been increased to lend maximum relief from perineal pressure while at the same time maintaining a sufficient area of support. Suitable for E-Bikes. Carbon Fiber Reinforced Shell: High-performance nylon, enhanced with carbon fibers, built with variable thickness, reinforcements by ribs and bridges, which enhance the rigidity with ergonomy and durability characteristics, without affecting weight to the shell. Microfeel Cover: Microfiber material, abrasion resistant, weather resistant, perspirant. Great touch and feel. Long lasting and durable. Easy to wash & clean. Biofoam Padding: Biodynamic low density foam with variable thickness structure that follows the movements of the pelvis when pedaling, for guaranteed comfort, light weight, long lasting resistance and ideal support. Gel: Hight density Silicon Gel structure that provide the best comfort to the pelvis bones when pedaling, for guaranteed comfort and ideal support, absorbing all road vibrations.