Elden Rack-Top Harness and Dry Bag (coming late July 2026) Hydration 6mm seat posts and the

6mm seat posts and the clamp can fit directly onto the outside of many frames (as pictured on an Esker Hayduke)

so you have to work a little harder to get your bag securely held in the harness

One-size-fits-most

And finally

Elden Rack-Top Harness and Dry Bag (coming late July 2026) Hydration 6mm seat posts and theThe Elden is our upcoming harness for a rear rack! Launch is now end of July! The Elden has been on a prototyping journey all summer. It started out as a simpler rear opening rack top bag, but we weren't happy with its stability and durability on singletrack. Dozens of prototypes later, it's morphed into a rear opening harness with a separate dry bag, perfectly shaped for dropper post compatibility. We've borrowed a lot of the design elements that