Apidura Backcountry Downtube Pack
Best extra storage for bikepackers needing more water or gear capacity.
This pack offers out-of-the-way storage or extra water capacity for extended cycling trips. It attaches securely to the downtube or similar tubes, providing versatile and compressible space for essentials and spares. It can hold a 1L water bottle, making it ideal for bikes with limited frame storage. The waterproof, seam-welded construction keeps contents dry and protected. Its single-motion velcro attachment system ensures a secure and easy fit on various tube diameters.
$113.25
More Backcountry Options
Owner Satisfaction
4.7
/ 5
Category Rank
31
/ 1826
#31 in Bicycle Bags & Panniers
Price vs Category Average
+5%
Above average
Capacity
1.8
/ L
Who it's for
- Bikepackers seeking improved handling on technical, rugged terrain
- Adventure cyclists riding through unpredictable, wet, or muddy conditions
- Mountain bikers needing gear that stays put on aggressive trails
Who should skip it
- Tourers requiring space for bulky clothing or extra supplies
- Riders who dislike frequent cleaning and maintenance of gear
- Cyclists with compact frames or full-suspension bike setups
Performance breakdown
Mounting Stability
Velcro system locks firmly to the frame without unwanted swaying.
Weather Resistance
Seam-welded construction keeps gear bone-dry through heavy trail spray.
Storage Versatility
Easily swaps between carrying tools, spares, or a full water bottle.
Ease of Access
Single-motion closure allows for quick retrieval while on the move.
Frame Compatibility
Adjustable straps accommodate various tube diameters across most bike geometries.
Material Durability
Rugged exterior fabric withstands rock strikes and abrasive trail debris.
Key Specs
Capacity
1.8L
Color
Grey/Black
Material
Waterproof, seam-welded construction
Closure Type
Hook and Loop
Bag Type
Frame Bag
Waterproof
Yes
Seam Sealed
Yes
Attachment System
Hook and Loop Straps
Know before you buy
Yes, the pack is designed to accommodate a standard 1L water bottle. It serves as a secure, secondary bottle cage alternative for bikes with limited frame space.
The attachment system is designed to be secure, but like any strap-on accessory, grit can accumulate between the strap and the frame over time. We recommend cleaning the contact area before installation and using frame protection tape if you are concerned about cosmetic wear.
Yes. The pack features seam-welded construction and waterproof materials, meaning it will keep your gear dry even during heavy downpours or when riding through mud and puddles.
The pack utilizes a single-motion velcro attachment system specifically engineered for stability. When tightened correctly, it sits firmly against the downtube to prevent unwanted movement, even on technical gravel or off-road trails.
The hook-and-loop straps are highly adjustable, allowing the pack to fit a wide range of tube diameters. However, if your downtube is exceptionally wide or has an unusual aerodynamic shape, ensure there is enough clearance for the strap length before purchasing.
Still have a question?
Ask Hayley anything about this product before you decide.