There is a range of reliable photo id which cyclists would most likely have at least one of:
As well as a Drivers licence*, many cyclists may also already have a Passport, Learners Permit,
Working with Children Check or Student ID.
* Bicycle Victoria claims that the majority of its members are motorists.
Fishing and Firearms licences have also been suggested.
and Proof of Age card http://www.vcglr.vic.gov.au/utility/community/young+people/proof+of+age/ are also reliable photo ID
which could be recommended
for any cyclist who may not have
any other reliable photo identification.
Cyclists' ID Reliable Photo ID
Reliable photo identification is a necessity of modern life.
is currently obtainable through Australia Post,
while Proof of Age card http://www.vcglr.vic.gov.au/utility/community/young+people/proof+of+age/
is also available through Australia Post.