These Bell Kicks 350 bike pedals make a superb replacement for broken or worn out pedals. This product will work with both common sizes of pedals. It comes with two adapters (1/2" and 9/16") 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.