2. Timing Chain
3. Strong power.
| 50cc | 70cc | 90cc | 110cc | ||
| 39*41.4mm | 47*41.4mm | 47*49.5mm | 50*49.5mm | ||
| 2.0Kw/8000RPM | 3.1Kw/8000RPM | 4.1Kw/8000RPM | 5.1Kw/8000RPM | ||
| 3.0N.m/6500RPM | 4.5N.m/5000RPM | 5.8N.m/5000RPM | 7.2N.m/5000RPM | ||
| 8.5:1 | 8.8:1 | 8.8:1 | 9.0:1 | ||
Special in dirt bike, street motorcycle......
We have a professional team with 11 years experience in designing, producing, testing motorcycle.