If you love to ride mountain biking as much as we do and want to support the sport and our community trails, please consider donating to STORM.  

You can simply click on the DONATE button or CONTACT US for additional donation options. Our team would be happy to discuss the various levels of donations, partnerships, and/or sponsorships. All donations, which are tax-deductible, are dedicated to our on-going efforts but you may choose to dedicate to specific efforts.


Support South Texas Off Road Mountain-Bikers and join our members to help get more trails closer to home by building, maintaining, and advocating for more trails throughout the San Antonio area! 

Why join STORM?

  • Advocate for more and better mountain bike trails in the San Antonio area
  • Build new trails and improve existing ones 
  • Build relationships with landowners and the City of San Antonio to increase access to trails
  • Group rides for adults, women, and youth

The more members STORM has, the more powerful our collective voice and the bigger and better we can grow the mountain bike scene in the San Antonio area. Now is an important time to join STORM and add your voice to the hundreds of other mountain bikers in the greater San Antonio region.

For less than $0.11/day (basic $39/year membership) or less than $0.17/day ($5/month membership), you can help ensure success. 



  • Free digital subscription to Mountain Bike Action magazine, delivered to your inbox. 
  • A discount on a new Subaru via our VIP program. Click here for complete details.
  • Discounts on over 100 brands of bike and outdoor gear through Login details are on your Membership dashboard. 
  • 15% discount on Water-to-Go bottles. Login details are on your Membership dashboard.

Email us with questions to




Want to sponsor a race event or one of STORM’s many other programs and events?  Please complete the Contact Us form and we’ll be in touch.


30 years as the leading mountain bike and trail advocacy organization for San Antonio and surrounding areas