| Model | YF40-R38-C*406MM |
| Size | 20er 38MM Depth 23MM WIDE 406MM |
| Material | Toray T700 Carbon |
| Appearance | 3K/UD,matt/glossy,12K |
| Weight | 295+/-15g |
| Used for | BMX bike |
| Spokes Holes | 16-40# |
| ERD | 354mm |
| Assembly Hold Dia. | 7.5mm/8.0mm |
| Spokes hole Dia. | 4.5mm/2.5mm |
| Valve hole Dia. | 6.5mm/8.5mm |
| Max Spoke Tension | > 300kg |
| Ultimate Strength | > 300kg |
| Torsion Strength | > 100kg |






