Adapters & couplers

Hydro Flask 21 oz bottle cage holder for bike

A cage that holds an insulated Hydro Flask 21 oz or 24 oz standard mouth bottle (73 mm diameter) on a bike, keeping coffee hot or water cold on a commute or a long gravel day. It bolts to the frame with two M5 slots on 64 mm centres, wraps the bottle in a 74 mm cradle 110 mm tall with 3.5 mm walls, and has a rubber-lined 15 mm lip and a top strap slot because a full steel bottle weighs over 600 g. Print it upright in PETG or ASA at 40 percent infill; the open front needs no supports.

Insulated bottles from Hydro Flask, Yeti and Stanley all differ by a few millimetres, enough to make a generic cage rattle or refuse to release. Give SpeakCAD your bottle diameter and weight, preview the cage free in the browser, adjust the grip in the chat, then download the STL.

Get it nowGenerate and preview for free, in your browser. A download costs 2 credits.

Model a bike bottle cage for a 73 mm diameter insulated bottle with a 74 mm inner diameter cradle 110 mm tall, 3.5 mm walls, a 3 mm floor with a 10 mm drain hole, a 15 mm retaining lip, two M5 slots on 64 mm centres and a 20 mm strap slot.

Change any number to match what you measured. The AI keeps the rest of the design consistent, and small follow-up edits after a download are free.

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Make your hydro flask 21 oz bottle cage holder for bike now

Nothing to install and no CAD skills needed. Describe it, watch it render, download the STL or 3MF and print it tonight.

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Looking for a ready-made version? Check the marketplace, where makers sell finished, rated models for credits.