Description features: 1. You'll develop a love for mountain biking and the outdoors. Designed for children 25.2. Adjustable to accommodate flat or sloped top tubes. Note: Not suitable for electric bikes, road bikes, or older bikes with cables on the top tube. 3. EASY INSTALLATION AND REMOVAL - Quick release attachment makes the child bike seat super easy to install and remove. 4. WON'T DAMAGE YOUR BIKE - The child bike seat provides full rubber protection for your alloy or carbon bike. Don't risk your expensive bike with a low-quality alternative. 5. Designed and manufactured to premium standards for safety and comfort. Specifications: Dimensions: Uniform size Note: 1. Due to different monitors and light effects, the actual color may be slightly different from the picture color. Includes: Choice 1: 1x Armrest Choice 2:1 x Child Bike Seat Choice 3:1 x Child Bike Seat 1x Handrail About Shipping: All items will be shipped within 3 working days after payment is received. In most cases, you will receive them within 8-12 days. The specific delivery time depends on the specific situation. If you have any questions, please feel free to contact us during the shopping process. If you have any questions, please feel free to consult us. We will reply to you within 24 hours. I wish you a happy shopping and thank you for your support and cooperation. We will make you satisfied.