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The Apidura Expedition Downtube Pack 1.5L is a durable, waterproof bag that makes the most of frame storage space on bikepacking trips. It fastens to downtubes and tubes of a similar diameter, giving versatile, compressible storage that suits tools and spares. A wide velcro Hypalon Stability Strap fits a range of tube diameters and compresses contents evenly, while foam bumpers and silicone help keep the pack steady. An asymmetrical taper at the base keeps it clear of chainrings. It needs no mounts or cages, and mounting on tubes under 9.5cm in circumference, such as seat stays and forks, is not recommended.
