Qualified material Designed for road practice for beginner cyclists, helping learners until they have developed a sense of balance for the bike.Improve your child's safety and confidence. Easy to install Our training wheels are made of high-quality, sturdy materials and strong metal supports to provide extra stability and safety to ensure the safety of children. Non-slip and low noise Our training wheels are easy to install and equipped with various accessories. Therefore, you only need to install the training wheels with stands so that your children can use the bike safely. Application Our bicycle training wheels are made of high-quality metal, plastic and rubber materials. They are non-slip and noiseless, so your child can be safer and more stable while riding without worry. Designed for road exercise for cycling beginners This auxiliary wheel is adjustable and suitable for bicycles from 12 to 20 inches. You can adjust the size to make it more suitable for your child's bike.