Product packaging: Our support wheels are easy to install and come with various accessories. Includes vertical support arms × 2, bicycle support wheels × 2, long bolts × 2, nuts × 2, washers × 2 limiting discs × 2. Environmentally friendly materials, reusable.

Quality material: This training assistance wheel is made of rubber material and metal bracket, with a diameter of 11.5 cm and a thickness of 2 cm, suitable for most single speed bicycles from 12 to 20 inches, provides greater stability and safety for the bicycle, ensures that children ride safely at the same time and maintain stable performance for a long time

Safety design for heavy and full wheels: We attach great importance to customers' safety.The training bike has added a bike wheels which is more stable and helps young students ride bikes until they have a sense of balance on the bike. You don't have to worry about the safety of your children.

Universal and adjustable: The support wheels are suitable for 12/14/16/18/20 inch single speed bikes with a horizontal backward oriented fork, but not suitable for those with semi-horizontal or vertical dropouts. Cannot be installed on bicycles with derailleurs.

• Excellent after-sales service: Customer satisfaction is our number one priority. If you have any questions about this product, please contact us immediately and we will provide you with a satisfactory answer.