Contact Us

For inquiries and requests about SIGMA service and warranty, you can contact us through the following ways:

• Phone Number: 805-850-3770
  Available Hours: 9am to 5pm PST
• Email address: sigma@zeitbike.com

 

Helpful Links

Here are some resources where you can find answers to frequently asked questions and troubleshoot common issues.

• Product Help
• Product Videos

 

If you have any questions or problems, please don't hesitate to contact us. We are always here to help.