FS: Topeak MTX trunk bag EX and Topeak QR Beam seatpost rack system. The bottom of the bag slides into the rack's runner and snaps in place.

Dimensions for the trunk bag are 14" L (including release tab) X 6.5" W X & 7" H. It has a large main compartment with an inner pocket, zippered mesh side pockets and bungee on top. Reflective strip in rear. It can be hand-carried with the sturdy handles-or use the shoulder strap. Excellent condition.

$45-including shipping.