WP Suspension

WP XACT PRO AER Fork

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WP XACT PRO AER Fork 

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The WP AER 48 Cone Valve fork combines two of WP’s greatest technologies: The Cone Valve damping system and the AER spring system. This fork with split technology has been developed in close collaboration with current World Championship riders aboard many different motorcycle brands. The Cone Valve damping leg is an evolution of the traditional Cone Valve fork with damping optimized for use in combination with an AER spring leg. The AER spring leg was developed with maximum possible performance, almost unlimited configurations and the easiest possible handling in mind.

  • Cone Valve technology combined with AER technology
  • Optimal options for AER spring setup for initial response thanks to two separate chambers
  • Improved riding balance with higher bottoming resistance
  • Allows for customized setup and improved comfort throughout the stroke
  • Cone Valve system reduces the amount of shims, which limits the possibility of bent shims over time
  • All adjustments made externally
  • High-quality coating
  • AER technology saves up to 1 kg compared to conventional competition forks

  • AER TECHNOLOGY: The AER technology saves up a lot of weight compared to spring forks and allows to fully adjust the fork without changing any internals.

    CLOSED CARTRIDGE: The Closed Cartridge technology is a closed system that reduces friction, keeps damping constant and improves responsiveness.

    CONE VALVE: The Cone Valve technology is a unique valving system and permits almost limitless damping performance and combines comfort with bottoming resistance.