"No," he said, flinging himself up onto the bike seat.
The design of the bike seat is the major problem.
In addition, children younger than 1 are not permitted on any kind of bike seat or attachment.
For the first time, a study this month looked at avid female cyclists and found that bike seats may affect them differently.
But more commonly, riders will run and then literally jump onto the bike seat.
Jon called, hastily putting one foot on his bike seat and pushing himself up.
His left hand had been resting on the back of the bike seat.
There are plenty of children's bike seats and helmets available.
Carry them in bike seats or trailers when they are too young to ride on their own.
A good bike seat can help make a ride comfortable and stylish.