Mechanical parts
Kukirin G4 / Dualtron Thunder Swingarm
- Bounding box
- 249.5 × 157.0 × 58.0 mm
- Engine
- Precision B-rep
- Parameters
- 18
- Published
- November 8, 2026
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The prompt
i need a costum kukirin g4 swing arm for a dualtron thunder 1 motor everything should be perfect so that the brakes also fit
Parameters
| Name | Value | Range |
|---|---|---|
| Pivot to axle center | 220 mm | 150 – 320 |
| Dropout gap (inner width) | 135 mm | 100 – 180 |
| Arm plate thickness | 8 mm | 4 – 16 |
| Arm height at pivot | 36 mm | 20 – 60 |
| Arm height at axle | 24 mm | 14 – 40 |
| Pivot boss outer diameter | 34 mm | 20 – 50 |
| Pivot bore diameter | 12.2 mm | 6 – 20 |
| Axle dropout slot width | 12.2 mm | 8 – 20 |
| Axle dropout slot length | 28 mm | 15 – 50 |
| Cross brace X from pivot | 70 mm | 30 – 150 |
| Cross brace length | 18 mm | 8 – 40 |
| Cross brace height | 16 mm | 8 – 30 |
| Caliper bolt spacing | 51 mm | 40 – 100 |
| Caliper bolt clearance dia | 8.5 mm | 5 – 12 |
| Caliper X forward of axle | 25 mm | 5 – 60 |
| Caliper bolt height above axle | 25 mm | 15 – 50 |
| Caliper plate min height | 30 mm | 20 – 50 |
| Caliper plate added thickness | 6 mm | 3 – 12 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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