Hydrapak Deuter Streamer Flask Cap 42mm

Regular price € 1195

✔ For runners who want to replace a worn or lost flask cap.
✔ Ideal for trail running, ultras and long runs with a soft flask.
✔ The bite valve makes drinking on the go quick and leak-free, even while running.
✖ Less suitable if you don't use a soft flask with a 42 mm opening.

  • 365 days to exchange
  • Shipped daily, free from €75
  • Customers rate us 4.9/5
  • Pick up in our Amsterdam store (all stock is here)
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Description

Replaces your existing flask cap. This cap fits all Hydrapak soft flasks with a 42 mm opening and is also compatible with the Deuter Streamer Flask.

Drinking remains easy on the go. Thanks to the bite valve, you can drink without unscrewing the cap, and the bottle remains securely sealed when you continue walking. You will notice this especially during races or long climbs, when you want to drink quickly without stopping.

Suitable for heavy use. Whether you are running a short trail or an ultra, this replacement cap helps you use your flask reliably again without leakage or mess.

Unsure? Choose this cap only if your flask has a 42 mm opening. If you use a different size, it will not fit.

Specifications

  • Why this one
    Drinking cap with bite valve for Hydrapak 42 mm soft flasks
  • Activity
    Trailrunning
  • Colour
    Blue
  • Warranty
    2 years
  • SKU
    DA3969725-1011
  • EAN
    4046051179018

Why HydraPak?

You are out for a few hours and just want to drink without hassle. A flask that leaks or a tube that kinks throws you out of your rhythm. That is exactly why we carry HydraPak at trrail.com.

HydraPak makes soft flasks, hydration packs, drinking tubes and water filters, with many separate parts such as valves, caps and cleaning kits. That way you adapt your hydration system to your run and replace parts that are worn.

For us, HydraPak is above all practical: light, flexible and expandable. The brand has everything for drinking on the move, from short runs to long trails.

View all HydraPak products

Frequently asked questions

Which flasks does this cap fit?

HydraPak soft flasks and Deuter Streamer Flasks with a standard 42 mm opening. If your flask has a different size, it won't fit.

Is there a bite valve in the cap?

Yes, the bite valve is in the cap. You drink without unscrewing the cap.

Does the cap close properly?

It is a closing screw cap. When closed, your flask stays shut while you run.