Oveja Negra Gear Jammer Seat Bag


One of the best designed saddle bags available. Top quality ballistic materials and will not sway even without additional support.

Out of stock

Oveja Negra Gear Jammer Seat Bag
Like its namesake (trucker lingo for a speeding big rig) the Gearjammer™ helps haul all the necessary items for overnight bikepacking trips and randonneur adventures alike. Lightweight, waterproof materials and bomb-proof construction create a light yet durable pack with all the features needed to securely store gear from your seat post. The Gearjammer™ seat bag has stiffened side panels and a plastic frame sheet that keep the pack stable and positioned away from your legs. This bag will not wag; the Gearjammer™ is one of the most stable seat bags on the market.

  • Roll-Top design allows for variable volume packing
  • Exterior compression straps (x2 sides, x1 top/bottom) for unparalleled compression and load stablization
  • HDPE frame sheet retains the shape of the pack and distributes the load
  • Bomb-Proof 2″ die-cut and welded hook & loop seat post attachment strap
  • Gear Loops on underside of pack offer increased carrying capacity
  • Superfabric® Grip™ provides a durable and highly stable contact point along the seat post
  • Nexus® cam-locking buckles secure the bag to your seat rails
  • High density foam stiffened side panel keeps the load tucked away from your legs
  • 1050 Ballistic Nylon seat rail attachment point and wear patch
  • X-Pac® VX21/VX42 laminated waterproof main body fabrics
  • MIL-SPEC webbing/binding
  • WEIGHT Medium: 12.2 oz. Large: 12.6 oz.
  • CAPACITY Medium: 4-10 liters Large 6-12 liters
  • MADE IN THE U.S.A. of domestic and imported materials

Size Chart – Medium (4-10L) or Large (6-12L)









Custom Order Color Chart

Special orders can be made for gear sets of 3 or more Oveja Negra items in these colors.

Select your bag:


Black, Multicam Black, Multicam White, Multicam Tropic


Medium, Large


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