Mechanical parts
150cc street motorcycle main frame concept
- Bounding box
- 242.0 × 1222.4 × 581.9 mm
- Engine
- Precision B-rep
- Parameters
- 7
- Published
- November 2, 2026
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The prompt
Concept tubular diamond/trellis-style motorcycle chassis for a 150cc street bike, with headstock, backbone, down tubes, engine cradle, rear rails, crossmembers and swingarm pivot. Dimensions are estimates for CAD layout, not verified production dimensions.
Parameters
| Name | Value | Range |
|---|---|---|
| Reference wheelbase | 1320 mm | 1250 – 1400 |
| Head tube length | 190 mm | 160 – 220 |
| Main frame tube outside diameter | 32 mm | 25 – 40 |
| Main frame tube wall thickness | 2.5 mm | 1.5 – 4 |
| Brace tube outside diameter | 25 mm | 20 – 32 |
| Brace tube wall thickness | 2 mm | 1.5 – 3 |
| Swingarm pivot bore | 16 mm | 12 – 20 |
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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