Features:
1.Material:
(1)Bicycle training wheels are made of high quality plastic and rubber which it is anti-slip, wear resistant, good stability.
(2)The vertical stand arms are made of high-quality steel.
2.Size:
(1)Wheel diameter: 5.3inch/13.5cm;
(2)Wheel width: 1.2inch/3cm.
3.Fit for 12/ 14/ 16/ 18/ 20 inch children's bicycles.
4.Advantage:This set of stabilizers assist young learners until they have developed a usable sense of balance on the bicycle without having to hold the back of the saddle, which can improve your child's safety and confidence.
5.Notice:For single speed bikes only.

Package Included:
wheels*2
vertical bracket arms*2
shoulder bolts*2
nuts*2
washers*2
limit spacer*2