how do I tell what year a phaze x is

[peyjack13]

where is the id on a phaze x

 

[SpanglerRacing9]

Underneath the LR cassette I believe

 

[Rsm_race00]

It's stamped on the RR cassette bracket that's welded to the frame on my 2012. You have to remove the cassette to see the number

 

[Arc Angel 18]

under the RR cassette