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IMBA-SORBA Partnership is Stronger than Ever!

Join IMBA-SORBA and support mountain biking in the Southeast. IMBA-SORBA members are more than just people who ride mountain bikes. You're passionate, concerned individuals who love the peace, beauty, ruggedness, and challenge of the trail. You want to change your neighborhood, your state your region, your country, the world. You want to make it a better a better place for mountain biking.

Our members know that many of the solutions to the problems our communities face today can be solved by getting more people out enjoying our natural world from the seat of a bike. And as stewards of trails and bike-friendly communities, IMBA-SORBA members fund the necessary work that allows us all to enjoy great riding.

We're here to strengthen mountain bike advocacy.

Special IMBA-SORBA Membership Drive


When you join or renew your IMBA-SORBA membership now through December 31, 2017 and choose your nearest IMBA-SORBA chapter, your membership dollars support BOTH the volunteer-led group stewarding many of YOUR favorite trails AND helps amplify the national voice of mountain bikers.  SORBA is offering the chance to win a Norco Fluid 7.2 for SORBA members that join or renew from July thru December 2017.

To be eligible to win go to to join or renew!

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Join or Renew Online or Snail Mail


Join Online

Alternatively, you can download the Membership Application form, for individual, family and bike dealer memberships. Print and fill out the form. Please mail a check and completed application to (address on the form):

IMBA-SORBA Membership
PO Box 20280
Boulder, CO 80308

You must have the Adobe Reader to open the form. Download a free copy of Adobe Reader by clicking this icon. 

Retailer Membership

More Trails = More Sales

Bicycle retailers are an integral part of the IMBA-SORBA network because they operate where mountain bikers ride. Retailer Members benefit from good relationships with IMBA-SORBA chapters to grow mountain biking in their markets. Your retailer business is listed both places -  IMBA Retailer Member list.  SORBA Retailer Member list

Quality trails get more people riding investing in bikes and outdoor equipment—and that’s good for your business. We leverage our members' support by partnering with local, state and federal officials and land managers to accomplish more than companies could independently.

Join or renew your Retailer Membership now. Retailer Memberships start at $100 per year.

Retail chains and online retailers join at the Corporate Membership level.