Local:

Great Plains Bike Club http://greatplainsbikeclub.org/

Bike UNL http://bike.unl.edu/node/11

Sheclismo sheclismo.blogspot.com

Lincoln Bike Kitchen https://www.facebook.com/lincolnbike

Regional:

Nebraska Cycling Association http://www.nebraskacycling.org/
Omaha Bikes http://bikeomaha.blogspot.com/
Great Plains Trail Network http://www.gptn.org/
Nebraska Trails Council http://www.nebraskatrails.org/
Trails Have Our Respect http://www.trailshaveourrespect.org/thor/
PsycowPath http://psycowpath.com/
Kansas Cyclist http://www.kansascyclist.com/

National:

League of American Bicyclists http://www.bikeleague.org/index.php
https://www.facebook.com/pages/Mad-Dads-of-Lincoln-Ne/152072734850406 Mad Dads refurbishes, sells, and services bikes