2 definitions by SorbaSC

Short for "Southern Off-Road Bicycle Association" a member-based, 501(c)(3) nonprofit, officially chartered organization devoted to promoting land access, trail preservation, and new trail development in order to enhance mountain bike touring, racing, fun, and fellowship for all mountain bicyclists in the southeastern United States. Based out of Atlanta Ga.
I heard developers are in the process of closing down trails in order to build condos! We need our voices to be heard. Have you joined Sorba yet?
by SorbaSC June 08, 2009
short for "Ready to Ride" Cyclist term indicating the exact time the group should be ready to depart any given point.
"Meet at the trails for a group ride today, 6pm RTR"
by SorbaSC June 08, 2009

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