1. Suitable models and compatibility This saddle fits Bianchi Impulso EGravel, Impulso ERoad, and Impulso GRX 600. It can be adapted to most standard bicycles, making replacement convenient for riders with different bike types. Please check your bicycle seat type before ordering and choose the appropriate installation method. 2. materials Made of PU leather with good breathability and neatly stitched edges. The surface is soft to the touch and water resistant. The interior is filled with density memory foam, providing good elasticity and support to cushion vibrations and deliver a comfortable ride. 3. Breathable design and shock absorption The middle of the seat surface features ventilation slots to promote air flow between rider and saddle, enabling ventilation and reducing stuffiness. The bottom includes shockabsorbing balls that flexibly respond to impact from different directions, further enhancing the saddle's shock absorption. 4. Ergonomic design The front end is relatively narrow to minimize thigh friction during pedaling, while the rear end is widened. An ergonomic decompression groove is shaped to relieve perineal pressure and reduce compression of sensitive areas. Use scenarios Replacing a worn saddle on a Bianchi Impulso family bike for daily commuting on mixed roads Upgrading for longdistance gravel or road rides to improve comfort and reduce fatigue Suitable for riders who want better ventilation and reduced perineal pressure during extended sessions on standard bicycles