1. **Ergonomic Design for Enhanced Comfort**: This bicycle seat with a backrest can be attached to a variety of bike types, such as classic cruisers, touring bikes, mountain bikes, and stationary exercise bikes. It provides additional back support and cushioning, making your ride pleasant and relaxing. 2. **Supportive Structure**: This flexible bike seat is waterproof and abrasionresistant. It offers hip protection and antislip features for a safer ride. 3. **Upgrade Your Ride**: Enjoy a cushioned and comfortable cycling experience with the backrest saddle, thick padding, and vibrationdampening properties that eliminate discomfort and fatigue. 4. **Comfortable and Adjustable**: Enhance your biking experience with this bicycle seat featuring a backrest, which delivers support and comfort. Compatible with seat posts up to 2.2 cm in diameter—simply attach the seat post, and you're ready to go.