Introduction To Children's Bicycles

The chain cover of the children's bicycle is essential. Children's bicycles with a maximum saddle height equal to or greater than 560mm should be equipped with a chain cover or other protective device to cover the outer surface of the meshing part of the chain and sprocket. When the chain is fully meshed When on the sprocket, the chain cover should extend beyond the outer side of the chain in the diameter direction. If the chain cover is not used but other protective devices are used, the cover should extend to the point where the sprocket teeth initially enter the two sides of the chain. Measure along the chain to at least 25mm. Children's bicycles with a maximum saddle height of less than 560mm shall be fitted with a chain cover, which shall cover the outer surface and edges of the chain, sprocket and sprocket, and shall also cover the inner surface of the sprocket and the engagement of the chain and the sprocket. , to prevent children's fingers from getting hurt. Because children's bicycles are not used for riding on the road, they must be used under the supervision of an adult, and must not be ridden on the road.