If you are curious about a particular brand of recumbent and want to talk specifically with owners of that brand, here are the forums maintained by the manufacturers and by users. If you know of one that isn’t here, please let us know.
AZUB
AZUB Owners Group on Facebook
Bacchetta
Bacchetta users’ forum, hosted by Bacchetta
Bacchetta Bikes public group, on Facebook
Catrike
Catrike users forum, hosted by Catrike
Catrike owners group, on Facebook
ICE
ICE Trikes Owners, on Facebook
ICE Strava Challenge, social media in a sweaty sort of way
Lightning
Lightning Riders Forum, hosted by Lightning’s fan club
TerraTrike — These folks have cranked up their social media mill…
TT Forum, hosted by TerraTrike
TerraTrike Owners, on Facebook
@TerraTrike, on Twitter