Topeak Backloader

An underseat bag for bikepacking. 6 & 10 L capacity options. 

Secures via velcro and buckles to your bike's seatpost & saddle rails. 

Comes with interior dry bag. 

NOTE: may not be compatible with small frames or bikes with less than 5" of seat post exposed (will otherwise rub on the rear tire). Inquire if you're unsure if this bag will work on your bike.