Harley-Davidson · 2009 and later
Harley-Davidson Touring: Electra, Street and Road Glide darkside tire sizes
Stock rear on the Harley-Davidson Touring: Electra, Street and Road Glide (2009 and later) is 180/65B16. Riders report running 195/60R16 as a car tire on the rear.
Stock frontVaries by model
Stock rear180/65B16
What riders report
Rear · car tire195/60R16
A Road Glide Ultra sidecar rider prefers this size: about the same height as stock and 0.6 inch wider. He also weighed 195/55R16 and 205/55R16. Sizes discussed, not yet ridden.
Car sizes close to stock, on paper
These car tire sizes come within 3 percent of the stock 180/65B16 rear in overall height, by the math alone. They are not rider-tested. Width, rim fit and clearance on your bike still decide what actually works.
Before you buy
Stock sizes come from published fitment listings and owner forums. Check the size on your current tire or the label on your bike, then read the big questions and the mounting guide.