Here are a few useful cycling links:

Stokes Cycling Club http://stokescyclingclub.org.uk/

Cycle Bristol CTC http://www.cyclebristolctc.org.uk/

CTC, the national cycling organisation http://www.ctc.org.uk/

Bristol Cycling Campaign http://www.bristolcyclingcampaign.org.uk/

Betterbybike http://www.betterbybike.info/

Sustrans http://www.sustrans.org.uk/

South Gloucestershire Council cycling