Swift Industries Hold Fast Half Frame Bag 4L - Lightweight Bike Frame Bag for Cycling & Commuting - Durable Waterproof Black Bicycle Storage for Road Bikes & Mountain Bikes

The Hold Fast Half Frame Bag from Swift Industries lets you make the most of the empty space in your bike frame's triangle. It's a tough, dependable spot for those awkwardly shaped bikepacking essentials like a pump, tent poles, or hydration bladder. Pair it with the Moxie Top Tube Bag for even more storage on top of the frame. Make sure to measure your bike to get the right fit. Available in: 2.75L, 3.25L, and 4L capacities (check Specifications for more).