Precautions:

1. Our handlebar diameter is 31.8mm, please use the 31.8 caliber stem.

2. Do not use 31.8 aluminum alloy stem with our handlebar, the wrong stem will cause the handlebar to rupture.

3. Highway bike handlebar Do not enter the mountain road, the wrong cycling will crash the road handlebar.

4. Please correct use our company's accessories, if any questions please contact us directly.

5. We will adopt the views of the majority of cycling enthusiasts to improve our services.