1. Features: - Foster a love for mountain biking and outdoor activities. Specifically designed for 2 - 5 - year - old children. - Adjustable to fit flat or angled top tubes. Note: Not suitable for electric bikes, road bikes, or old bikes with cables in the top tube. - Easy to install and remove - The quick - release attachment makes it very easy to install and remove the child bike seat. - Won't damage your bike - The child bike seat provides full rubber protection for your alloy or carbon fiber bike. Don't risk damaging your expensive bike with low - quality alternatives. - Designed and manufactured to the highest quality safety and comfort standards. 2. Specifications: - Size: One size fits all. 3. Note: - Due to differences in monitors and lighting effects, the actual color may vary slightly from the color in the picture. 4. Includes: - Option 1: 1 x Armrest. - Option 2: 1 x Child bike seat. - Option 3: 1 x Child bike seat, 1 x Armrest.