1.UNIVERSAL FIT FOR IMPROVED COMFORT This bike seat with backrest can be attached to a variety of bike types, such as classic road cruisers, trekking bikes, mountain bikes and stationary sports bikes. It provides extra support and cushioning for your back, making your ride enjoyable and relaxing. 2.Enhanced comfort and safety: Our bicycle seat with backrest ensures a comfortable riding experience with its soft, waterproof and abrasionresistant material. Its innovative design ensures hip protection and nonslip properties for a smooth and secure ride. 3.IMPROVE YOUR JOURNEY: to ensure riders a comfortable cycling experience by offering a backrest saddle for extra support, thick padding and eliminating cycling vibrations. 4.REVOLUTIONARY POSTURE SUPPORT This bicycle saddle with backrest provides comfort and support for all your rides. It fits seat posts up to 0.87 inches in diameter, ensuring easy installation.