The Topeak Fastfuel Drybag is a waterproof top tube mounted bag featuring sonically welded DryBag technology to keep contents dry while the hard shell construction keeps DryBag in streamlined shape to avoid leg contact.

Quick and convenient access to energy bars, gels, other food items and perfect for small electronic devices too.




Capacity: 0.8 L / 50 ci

Material: Plastic hard shell / TPU

Top Tube Diameter: Fits ø38 - ø52 mm

Size: 22.8 x 8.9 x 5.9 cm / 9” x 3.5” x 2.3”

Compartment: One Main

Bag Attachment: Adjustable nylon straps and waterproof zipper

Head Tube Diameter: Fits ø53 - ø100 mm

Weight: Fits ø53 - ø100 mm

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