Setup

  • Vehicle Application

    Gravirax is solid and sturdy, built it on the 2" Class III or Class IV square receiver standard.  Your Vehicle must have a Class III or Class IV r...
  • Materials

    The Gravirax design is inspired by DIY PVC racks that were on countless 4x4s in mountain towns, like our grandfather's Jeep Wagoneer outside Big Be...
  • Why Vertical?

    Why Vertical? Gravity works.  It doesn’t require you remember to lock your rack or wonder if it closed properly.  The aerodynamics of mounting behi...
  • Grav4 Unboxing and Assembly

    Follow along with three easy steps - what to expect when your Gravirax package arrives and how to assemble your new rack! (read time 4 min) (build...
  • Locking Your Skis

    The design of the Grav4 has been optimized for loading and unloading so the default state is for the skis to be free and unrestrained. This tends t...
  • How It's Made

    We are proud to partner with an excellent manufacturer in the USA to bring this idea to life. We knew we needed to build something we could put our...