The Prologo Dimension NDR Nack 143mm MTB Saddle has 3 mm extra padding than Dimension 143 in order to reduce all vibrations come off the ground. On the sides Prologo adds “side protector” to avoid scratches or damages. The Prologo Dimension Nack Saddle has been tailored towards optimum performance and comfort, with a focus on preventing perineal area problems. With its light foam padding and ergonomic profile, the Dimension is 143mm wide, perfect for tackling long distance rides at speed. Completed with a wide anatomical 'PAS' channel along the saddles' centre, pressure buildups are reduced, removing unwanted numbness during tough rides. Prologo Dimension NDR Nack 143mm MTB Saddle Features Micro fiber cover 3mm extra padding than the standard Dimension 143mm Saddle Rail: Nack 7x9.3mm Weight 169g