Double click image to zoom in
Our on-line store is open 24/7 and we ship Monday through Friday, excluding some holidays. Orders received for products without shipping restrictions on its product page will ship the same business day when received before 12:00 p.m. PST. Orders in high demand will have an estimated production time listed on its product page and will ship according to the date listed.
The MTX TrunkBag uses a unique material process to provide our largest, stiffest, and most weather resistant MTX series bag. In addition to the expandable top section and rear water bottle holder, the side panels expand to full panniers maximizing capacity. Compatible with all MTX QuickTrack® 2.0 racks with attachable side frames. MTX Dual Side Frames are required when using panniers on MTX BeamRacks.
We are a Seattle, WA based outdoor gear store with a mission to make climbing, backpacking, skiing & mountaineering accessible and enjoyable for everyone.
© 2026, Master Store
