speed Controller for bicycle:
1.Compact,
2.Powerful,
3.Beautiful Appearance,
4.Suitable for Electric Bicycle.

speed Controller for bicycle System Protection Featuretages:

1. Under-voltage Protection,

2.Overload Protection,

3. Motor Block Protection,

4. Speed Limit,

5. Lose Control Protection,

6. Short Circuit Protection,

7. Phase Lost Protection,

8. Hall Lost Protection,

9. Overheat Protection.