Bike Disc Truing Tool
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A simple 3D-printed tool for straightening bicycle brake rotors. Fits standard disc widths (<2 mm).
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Model information
- Source
- Printables
- Category
- Outdoor Sports
- License
- GNU General Public License v3.0
🛠 Bike Brake Disc Truing Tool
📦 Description
This 3D-printed brake disc truing tool is designed to help you straighten warped bicycle brake rotors with precision. It features three angled slots, each sized to accommodate common rotor diameters while allowing smooth, controlled bends without damaging the disc.
Perfect for home bike mechanics, workshop repairs, or road-side fixes. Works with most standard bicycle brake rotors under 2 mm thick.
🖨 Print Settings
Material: ABS (or anything rigid)
Layer Height: 0.2 mm (or 0.3 mm for faster prints)
Perimeters: 4 or more! (It needs to have strength in walls)
Infill: 25–40%, Gyroid or Grid preferred
Supports: ❌ None needed – tool is designed for supportless printing
Orientation: Already preoriented
🛠 Usage Tips
Choose the slot that fits your rotor diameter best
Apply gentle pressure near the bent section
Use incremental force and re-check frequently to avoid overbending
Clean the tool after each use if working in dusty or muddy conditions (you dont want to get the disc get dirty or greasy)
📝 Notes
Want a version with different sizes? Let me know – I can provide it!
Not intended for hydraulic pressing – manual correction only