CTC
the UK's national cyclists' organisation
National cyclists' organisation offering advice and services
to cyclists since 1878. Offers advice for casual to hard-core
cyclists.
Cycling
Time Trials
The National Governing Body for Cycling Time Trials in England
& Wales.
The
International Mountain Bicycling
A non-profit educational association whose mission is to
create, enhance and preserve great trail experiences for
mountain bikers worldwide.