There are two external expanding front pockets with a flap lid. The lid has a 2" strip of 3M reflective and a blinky light loop directly above. This bag was made for either front (for dirt) or rear (for the road) use and will accommodate various bikes, handlebars, and different riding styles.

The closure straps (C.W.S.) were designed to give adjustable positions for the optimal weight to tension ratio. You can load this pup up and cinch it down to create a stiff and compact bag with minimal sway or sag when mounted appropriately.

When fully expanded, the Jammer will reach up to 11L in volume and be rolled down to more than half of that; not big enough for you? Check out the Middle Earth Jammer.

*Please be mindful and avoid mounting the bag against cables and housing. 
With this in mind, the Jammers may not be compatible with cantilever brakes.