Add stability and confidence to your cycling experience with Lumintrail Heavy Duty Adjustable Bike Training Wheels. These training wheels are designed to fit 20" to 26" bicycles and are made of durable metal material that ensures high durability. The training wheels are perfect for beginners and seniors who are looking to improve their balance on outdoor terrains. These training wheels are suitable for outdoor cycling and have features that make them stand out from other bicycle accessories. The Lumintrail training wheels are designed to provide a smooth ride and stability to the rider. They are easy to install and are compatible with a variety of bicycle models.