This Kid Bike Seat is designed for mountain bike parent-child cycling. It offers safety and comfort with a safety harness. The easy installation and quick release feature make it convenient to use. Made of durable aluminum alloy, it is stylish and adjustable. Suitable for all adult mountain bikes, it provides a comfortable and close-fitting design for family riding adventures and daily commuting.Features1. Safety and Comfort: Kids bike seat have safety harness. You can concentrate on driving the bike without worrying about the child's unexpected movements. 2 .It is unique and stylish and also designed ultra durable aluminum alloy.The adjustable and soft saddle will not affect the balance of riding. High quality standards designed and manufactured for the utmost safety and comfort. 3. Easy to Install and Remove: Equipped with a quick installation wrench, allowing you to quickly release the accessories so that the child bicycle seat is super easy to install and remove. 4. Kids Bike Seat Fits All Adult Mountain Bikes with flat or sloping top tubes. The Kids Bike Handlebars fit flat or riser style handlebars. 5. Comfortable and close-fitting design releases free space,and will not affect your riding and children's play. Suitable for family riding adventures and daily commuting. SpecificationMaterial: MetalColor: BlackSize: 30 16 10 cm, 30 9 6cm, 32 16 10Weight: 1460 g, 260 g, 1612 gPackage Include:1x Bike Seat or1x Handlebaror1x Handlebar+Bike Seat