The ProGuard rear mudguards for disc brake mountain bikes offering unmatched protection from mud and spray, its perfect for Enduro or Downhill racers and essential for the weekend warrior looking for the very best protection. With this design the intent was to increase the tyre clearance, improve fit, and reduce the mud clogging issues seen with this type of mudguard. The standarad offers superb protection in a shorter more compact design, whereas the longer max protection version (21mm longer at front and 68mm longer at the rear) offers incredible unmatched levels of protection especially for high speed racing.