BUGS - Bicycle User Groups

Leichhardt BUG - http://www.lbug.org.au/

Canada Bay BUG - http://www.baybug.org.au/

Marrickville BUG - http://www.massbug.org.au/

South West BUG - http://www.bikesouthwest.org.au/

City of Sydney BUG - http://www.bikesydney.org/bs/

Organisations

Bicycle NSW - http://www.bicyclensw.org.au/

Cycling Resource Centre - http://www.cyclingresourcecentre.org.au/

Cycling Connecting Communities - http://cyclingconnectingcommunities.wordpress.com/

        Click on maps & resources

Cycling Promotion Fund - http://www.cyclingpromotion.com.au/

Other

Inner West Council - http://www.innerwest.nsw.gov.au

Sydney Uni and RPH cycle map - http://www.facilities.usyd.edu.au/maps/bike.shtml

(covers Summer Hill to UNSW, E to W and Balmain to Sydenham, N to S)

Another ride mapping resource. - http://www.ridethecity.com/

Some helpful sites for drivers and cyclist safety

https://www.vicroads.vic.gov.au/safety-and-road-rules/cyclist-safety/bike-rider-safety 

https://www.budgetdirect.com.au/blog/safely-share-road-non-motorists.html

https://www.nsw.gov.au/driving-boating-and-transport/roads-safety-and-rules/bicycle-safety-and-rules/cyclist-road-rules

Olympic Park Cycling and Walking Paths - http://www.sydneyolympicpark.com.au/Visiting/recreation_and_activities/cycling_and_walking_paths

https://austroads.com.au

Everyday is a great day to cycle in Sydney, but check the weather bureau anyway

Weather Bureau - http://www.bom.gov.au/weather/nsw/