CBR600RR & FZ1. It's true what they say, the perfect number of motorcycles is always n+1.

https://i.redd.it/tomsyz1ca5t41.jpg via /r/bikesgonewild https://www.reddit.com/r/bikesgonewild/comments/g2bfy9/cbr600rr_fz1_its_true_what_they_say_the_perfect/?utm_source=ifttt