The thick of wheels is 25mm that is 1/4 thicker than normal wheels.
Key Features:
Warm Tips:
1. Training wheels are suitable for single-speed bicycles and cannot be installed on variable speed bicycles.
2. This bike training wheel for kids bike is only suitable for 14-20 inch children’s bicycles with chain protective guards, exerting load bearing of 40kg.
3. After the installation is complete, make sure that the bottom of each training wheel is within 1 inch of the ground is reasonable, avoid bicycle beginner relying entirely on training wheels to ride and the better to help them learn to ride.
4. When installing, please be sure to tighten all the screws and ensure all fittings are securely installed.
5. When you need to vigorously tighten the nut with wrench, we recommend wrapping a cloth around the wrench to avoid hurting your hands.
6. This training wheel must be installed by an adult. Before use, it is necessary to check whether all screws are tightened and wheels are damaged.
7. Ensure safety before riding.And children must learn to ride a bike under the supervision of their guardians.