These fenders are crafted from durable, maintenance-free plastic, ensuring a perfect fit for your Mule or Flatlander bike. They come with available mounting hardware for easy installation. Reference Below for the Correct fender option: Front - 24": Compatible with all Mule and Flatlander Step-Through 24" models. Rear - 24": Designed to fit all Mule and Flatlander Step-Through 24" models. Front - 26": Suitable for all Mule and Flatlander Standard, Step-Through and Kodiak models with a GT MARK FRONT FORK. *Before purchasing this fender, please verify the type of forks on your bike.* Rear - 26": Fits all Mule and Flatlander Standard and Step-Through models. Front - 26" Moto Style: Perfect for all Mule bikes equipped with RST forks. Fits Mule SD bikes. IF YOUR BIKES ARE OLDER THAN 2020 MODELS, PLEASE CALL BAKCOU HQ FOR ASSISTANCE.