The Southern Off-Road Bicycle Association (SORBA) and the International Mountain Bicycling Assocation (IMBA) have merged! When you join the Chattanooga Chapter of SORBA (SORBA-Chattanooga) your membership includes an IMBA membership with all the benefits and privileges!
The basic one-year individual membership, includes:
- Membership in both SORBA & IMBA!
- one-year subscription to the Fat Tire Times, the official publication of SORBA and a one-year subscription to IMBA Trail News.
- membership card
- membership stickers
The family membership, includes:
- same as the basic membership, except member benefits are extended to all family members.
Join: You can join the Chattanooga Chapter of SORBA in two ways:
1. You can download a membership application (pdf file), print and mail it to us with a check or money order.
or
2. You can join on-line by completing an electronic member application, be sure to request membership in the Chattanooga chapter. Payment options include visa, MasterCard and PayPal.
* Please note: All donations paid as part of your membership dues go to the main SORBA organization, if you wish to make a donation to the SORBA-Chattanooga Trail Fund, you can download a donation brochure! Thanks for your support.




