Could you give me differences between those 2 cbr's (apart of seat unit which is easy to notice . cheers

 

I'm assuming that you're talking about the differences of the RR to the F-series.[sm=repost.gif], https://cbrforum.com/m_55614/tm.htmcheck out nine2nine's post in that thread, pretty much hits the main points you're probably interested in. Other than that riding style/position is a little more harsh on the RR and the suspension is a bit different. Honestly, either bike is very powerful, but i would go with whatever you can afford and what you like the looks of the best.

 

I think he's asking about the solo vs dual seat versions of the F4i.

 

Nope. He's talking about the euro version of the F4i. It's not called an F4i in europe. Don't have an answer for him though.

 

Ones European standards, and packages I believe