is 130/90-15 acommon size? And best place to get bike tyres in durbs.

[Kwagga82]

hey guys!!! I need a back tyre desperately my current one is a 130/90-15. is this a common size and where is the best place to get one in durbs? mine is a yuangxing... dont judge me i bought the bike with it lol. :imaposer:
i got stopped yesterday first time in my life on a bike and i got cracked a fine R300 for my tire.
any help will be appreciated

 

[lecap]

 

[Kwagga82]