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.

Details:

• 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.

Specifications:

• 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