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Become a SDMBA-IMBA Chapter member and become part of a movement that builds and protects great mountain biking experiences. Basic chapter membership is only $35 per year.

Two Ways to Join

  1. Online:

    This link will take you to the SDMBA/IMBA membership form. Remember add “” and “” as accepted domains to your spam filters so you don’s miss any communications.

  2. Standard Mail
    Complete this form, make sure to put “SDMBA” as your Chapter, and mail it to:


    PO Box 20280
    Boulder, Co 80308

    Attn: membership

    Members receive an IMBA membership packet and a “thank you letter” via email.

You will enjoy the following benefits:

  • SDMBA TrailNews E-mail keeping you informed of mountain bike-related issues and events in San Diego County, the state and nation.
  • Access to SDMBA member-only events, photo contests , and member-only rides.
  • Discounts and/or Membership Perks at participating SDMBA sponsors.
  • The knowledge that you are helping to create new riding opportunities in San Diego and educate new mountain bikers.
  • All the benefits of IMBA membership for more information go to