Make sure they fit an R3. It is not listed from what I see.
The top bridge holds the instrument cluster. It not universal.
I've just gone through this. Was cheaper by far to buy a set of 1" bars that were a better fit. Note that if you rise more than the Rivco you'll almost certainly need new cables and hoses. R3T throttle cables are a good bit longer - R3T clutch cables are not.