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Brackets & mounts
Quad Lock compatible bike stem cap mount
This is not a fixed STL. SpeakCAD generates the quad lock compatible bike stem cap mount to your millimetres, you adjust it in the chat, then you download and print it.Building the 3D preview…
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Adjust
Click a part and change its numbers in the viewer, or ask the AI in the chat: wall thickness, hole size, the thing it clips onto. AI changes use plan credits.3Print
Download a watertight STL or 3MF with a Maker or Pro plan, drop it in your slicer, and print it. Small fit fixes re-download free.
Get it nowOpening the ready-made model is free. A plan covers AI changes and the download.
Example prompt
Model a bike stem cap phone mount, 32 mm cap for 28.6 mm steerer, 6.5 mm counterbored M6 hole, 35 mm plate with two M4 holes raised 8 mm.
What a quad lock compatible bike stem cap mount is
A stem top cap that carries a Quad Lock style phone head right above the steerer, so the phone is centred and nothing clamps the bars. It fits a 1 1/8 inch (28.6 mm) steerer with a 32 mm cap, uses a 6.5 mm counterbored M6 top cap bolt, and has a 35 mm plate with two M4 holes for the head, raised 8 mm. Print upright in PETG or ASA with 100 percent infill.
Carbon steerers need the original expander plug, so fit this cap on top of it, not instead of it. Open the ready-made cap in SpeakCAD for free, change any millimetre in the viewer or the chat, then download the STL.
People also search
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Questions people ask about a quad lock compatible bike stem cap mount
A stem top cap that carries a Quad Lock style phone head right above the steerer, so the phone is centred and nothing clamps the bars. It fits a 1 1/8 inch (28.6 mm) steerer with a 32 mm cap, uses a 6.5 mm counterbored M6 top cap bolt, and has a 35 mm plate with two M4 holes for the head, raised 8 mm. Print upright in PETG or ASA with 100 percent infill.
Click Get it now on this page and sign in: you can open the ready-made model for free, and the example prompt is filled in if you want the AI to redesign it. The model renders in your browser, nothing to install. Change any millimetre in the viewer or the chat (AI changes use plan credits), then export a watertight STL or 3MF with a Maker or Pro plan when you want to print.
Start from this working example and replace any number with what you measured: Model a bike stem cap phone mount, 32 mm cap for 28.6 mm steerer, 6.5 mm counterbored M6 hole, 35 mm plate with two M4 holes raised 8 mm.
Carbon steerers need the original expander plug, so fit this cap on top of it, not instead of it. In SpeakCAD you open the ready-made model for free, change it to your measurements, then download a file sized for the part you actually own.
No. SpeakCAD runs entirely in the browser: the chat, the 3D engine and the live viewer load in the tab. The only file you download is the finished STL or 3MF.
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