Parametric Bike Hub Bearing Support Tool (OpenSCAD)
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Simple parametric support tool for bicycle hubs when removing bearings. Designed in OpenSCAD – easily adjustable to fit
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- Creative Commons — Attribution — Share Alike
This is a simple but very useful support tool for servicing bicycle hubs – especially when removing or installing bearings.
The tool acts as a stable "support block" under the hub, preventing damage to the hub body, spokes, or brake rotor while applying force (e.g. tapping out bearings).
Designed in OpenSCAD (fully parametric)
Easily adjustable to different hub diameters and geometries
Helps distribute force evenly during bearing removal
Protects hub, spokes and rotor
Why this tool?
When removing hub bearings, you often need to apply force from one side while supporting the hub on the other. Using makeshift supports (wood blocks, sockets, etc.) is messy and unreliable.
This tool gives you a clean, repeatable and safe setup.
Customization
The model is fully parametric in OpenSCAD. You can easily adjust:
- Outer diameter (support area)
- Inner cutout diameter (hub clearance)
- Height / thickness
- Edge chamfers or tolerances
Just tweak the variables and export your own STL tailored to your hub.
Printing recommendations
- Material: PETG recommended (PLA also works for occasional use)
- Infill: 30–50%
- Walls: 3–4 perimeters
- Print flat on bed, no supports needed