This bell kicks 350 universal bike pedals make a superb replacement for broken or worn-out pedals on your child's bike. This product will work with both common sizes of pedals. It comes with two adapters, 1/2 inch and 9/16 inch, that will allow these pedals to fit most bikes. They are made of a durable nylon resin with orange safety reflector strips on either side of the pedal to help increase visibility. These universal pedals come with full ball bearings for long life. Size: ONESIZE. Color: Black. Gender: unisex.