The BigStack lets you carry up to 4 boats on your roof, or use that room for other gear for a multi-sport adventure. Folds down for better aerodynamics when not in use. HullGuard™ padding keeps your boats safe and universal mounts fit nearly any shape crossbar.


  • Folds down when not in use for better aerodynamics and easier access to your garage.
  • Universal built-in hardware fits round, square, factory and aerodynamic crossbars right out of the box. Optimized for aerodynamic bars.
  • Top-of-the-line Hullguard™ padding keeps your boat protected during transport.
  • SteelCore™ construction uses a steel tube frame for superior strength.
  • AnchorHead™ tie down feature makes it easy to manage straps with multiple kayaks.
  • Heavy-Duty Straps and Bow and Stern Tie-Downs included (HoodAnchor, sold separately, is required for vehicles with no attachment points for Bow and Stern Tie-Downs).
  • Premium heavy-duty straps with coated metal buckles protect boat and vehicle.
  • Great for carrying multiple whitewater boats.
  • Lockable with SKS Lock Cores (sold separately).
  • Minimum crossbar spreads of 24" or more.


  • Weight: 7.20 lbs.
  • Dimensions: L 6.00 in x W 5.00 in x H 22.00 in
  • Minimum Crossbar Spread 24.00in
  • Limited Lifetime Warranty