1. Universal fit for more comfort: this bicycle seat with backrest can be attached to a variety of bicycle types, e.g. on classic road cruisers, trekking bikes, mountain bikes and stationary sports bikes. It provides extra support and padding for your back and makes your ride comfortable and relaxing. 2. Flexible design for optimal comfort: our bike seat has a backrest and provides unparalleled support for maximum comfort while driving. The soft, waterproof and abrasionresistant provides hip protection and antislip properties, ensuring stability and in any terrain. 3. Increase your ride: This bike seat with backrest helps eliminate vibration when cycling and provides thick padding and comfortable backrest saddle for a smooth and comfortable ride. 4. COMFORTABLE ADJUSTABLE: Enhance your cycling experience with this bike seat with backrest, which provides excellent grip and comfort. Fits seat posts up to 7/8' in diameter. Attach the seat post and you're ready to go.