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 stabilization
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 fabrics
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
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