Serial number: Located by turning the bike upside down, there will be a number engraved on the crank housing between
the pedal area.

Model number: Located on a small white sticker on the down tube between the pedal area or by turning the bike upside down and looking on the crank housing between the pedal area (all model numbers start with a number 8).

Customer Service

Dynacraft has a knowledgeable and courteous team of Customer Service Professionals that is on call to respond to your needs. They are experts in answering any question you might have regarding your Dynacraft bike.

You may speak with a Customer Service Representative Monday through Friday (holidays excluded) from 7:00 AM to 4:00 PM Pacific Standard Time by calling (800) 551-0032.

Alternatively, you may send an e-mail to: All e-mails will be answered within 72 hours of receipt.

To expedite the process, we request that you have the model number, serial number and production date of your bike, if available, when contacting Customer Service.

For help in locating the model number and serial number on your bike, please click here.

Dynacraft BSC, Inc.
89 South Kelly Road
American Canyon, CA 94503

(707) 603-1500 phone
(800) 551-0032 toll free
(707) 603-1599 fax


Australian Customers Only

If you are a bicycle owner needing parts for your bicycle, click here

Australian Retailers Only

If you are a retailer ordering parts for your bicycles in your store, click here