biggest rear tire on stock 03 Electra glide ultra classic

[mstowe]

Want a fatter rear tire just wondered how big i could go think stock is a 130 to skinny n wondered if i could go fatter on the front to thanks for any information

[TERMINKNOTTER]

I'm running the MU85 on my 03 RKC

[Rendell]

so, you are saying that a 6 in tire width will fit? that is like a whole inch over stock. I'm wanting to go a bit wider and need to make sure before I buy..