Features: Ergonomically designed mountain bike handlebar extender provides extra support and stability, ensuring safe rides for cyclists with detachable kids bike grips for easy storage. Adjustable diameter fits most children's bicycles, crafted from light weight yet durability high strengths aluminum alloys and reinforced plastic for long lasting performances. Ideal for parents seeking enhanced control and safety features for beginner cyclists aged 4 12 during skill building rides. Perfect for family outdoor, or neighborhood commutes where children need improved steering confidence on their bikes. Combines safety construction with simple installation to transform ordinary handlebars into confidence boosting cycling accessories for explorers. Specifications: Dimension:30×3cm/11.81×1.18in Component:Aluminum Package Includes: 1Set Handlebar armrests note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.