This is an excellent multi-usage bag for bikepacking expeditions or day trips exploring around town.

• - Easily pack and hold tools, food or extra clothing because of its big opening;
• - Daisy loops attachment system that provide the right position attachment point with Fidlock nylon webbing straps supplied or Voile straps. 
• - Water-resistant construction, it can withstand some bad weather; 
• - 3 sizes available to best fit your frame size ; 2.5 liters, 4 liters, 5 liters 
• - Air Pump attachment straps in the upper portion of the bag.
• - Made in Canada with XPac carbon-neutral fabric and Cordura 1000D nylon.

As a general rule ;

small bags fits on X-small, small and medium bike frames,

medium frame bag fits on medium or Large bike frames.

Large frame bag fits on XL bike frames.

Make sure it is tight to facilitate the zipping & un zipping.

Does it fits my bike frame ?

Here are templates you can print and put on your frame to make sure its the right size.