Cargo Box Adapter - Medium
Cargo Box Adapter - SmallCargo Box Adapter - Large

Cargo Box Adapter Kits


Evolve your cargo box to the SwitchBlade™ sports rack system.  See below for a list of which cargo boxes require small, medium or large sizes.

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Product Description

Evolve your cargo box to the SwitchBlade™ sports rack system.

Upgrade your current or new cargo box and utilize the first engineered solution to integrate storage and car-top transportation of sports equipment  – an evolution with SwitchBlade™ and SmartStorage™ racks.  You simply won’t believe how fast and easy it is to attach and remove your cargo box from now on!  And, you”ll have a place to keep it, up and out of the way on the wall when you use our integrated SmartStorage™ solution.

The following list shows which boxes fit small, medium and large sized adapter kits.  Please contact us if you don’t see your cargo box:


  • Yakima:  Rocketbox Pro 11
  • Thule:  Ascent 1100, Frontier



  • Yakima:  Skybox 12, Rocketbox Pro 12
  • Thule:  Sonic Alpine, Force Alpine, Pulse Alpine, Sidekick, Atlantis 1200
  • INNO:  Stream Box



  • Yakima:  Skybox LOPRO, Skybox 16, Skybox 18, Skybox 21, Rocketbox Pro 14
  • Thule:  Hyper XL, Sonic XXL, Sonic XL, Sonic L, Force XL, Force L, Pulse XL, Pulse L, Atlantis 1800
  • INNO:  Shadow 18, Shadow 16, Shadow 15, Shadow 14, Flex Top Aero, Air Cruiser, Low Down Cruiser, Ridge Box, Stream Box M


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