HERCHR Variable Speed Bicycle Training Wheels Adjustable For Kids Bikes 16 To 22in Bike Training Wheels Bike Side Wheels

Warm Tips: -The Bicycle Body Is Only A Single Mantis Leg Is Not Applicable. -Not Applicable To Bicycles With Quick-release Rear Wheels. Universal: These Bicycle Training Wheels Are Suitable For Children's Multi Speed (variable Speed) Bicycles Of 16 18 20 22 24 Widening And Thickening:1.57 Wide Wheel Design, Stable Riding. suggest Adjusting The Distance Between The Auxiliary Wheels On Both Sides And The Ground To 0.5-1 To Achieve A More Suitable State High Carbon Steel Material: Preferred High Carbon Steel Raw Material, Multi-layer Baking Paint Process, Stable Triangular Structure Silent Flash:double Sided Silent All Carbon Steel Bearings With Long Service Life Pu Flash Wheel:Durable Solid Pu Material, Silent Flashing , Safe And Comfortable, Dazzling Flashing, No Need For Batteries. - The Bicycle Body Is Only A Single Mantis Leg Is Not Applicable. - Not Applicable To Bicycles With Full Chain Covers. - Not Applicable To Bicycles With Quick-release Rear Wheels. Only Suitable For 18/20/22-inch Conventional Bicycle Installations (triangular Body, Standard Transmission Bicycle Frame Type)