4050 Aeropac II Tail Trunk Black BC

The big brother to the popular 4000 tail trunk, the 4050 is an extra large, lightweight storage solution offering superior capacity paired with a sleek, minimalist design. Featuring the signature aeropac streamline design to maintain a low drag coefficient, the 4050 uses a light yet very strong hand-molded thermoplastic insert to retain its aerodynamic shape even when empty. Can be mounted either width or lengthwise to accommodate saddle bags if necessary. 

  • Urethane coated ballistic nylon exterior for tear and water-resistance
  • Durable YKK black metal # 8 zipper pulls used for main¬†zipper compartment
  • Non-slip rubberized polyester material covers entire bottom to prevent scratching and provide added grip
  • Available with adjustable bungee mount system or hook and strap mount system for preferred fitment. A hideaway zipper compartment located on the bottom allows mount storage when not in use
  • Additional secure webbing loops sewn within hideaway zipper compartment to accommodate multiple mounting methods and configurations
  • Sewn overlapping velcro located on front and back for included safety strap mounting
  • Lightweight, strong HDPE thermoplastic insert and rigid foam for added¬†strength and to maintain aerodynamic shape
  • Key fob hook located on back of main compartment interior


  • 12"L¬† x 20"W x 9"H; 35L

Lifetime Warranty
Made In USA

    Mounting Instructions

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