My opinion is ........ I want one !!
I rode the 19 450R and loved it , even though it is heavier than my 02 it feels lighter and narrower ....much lighter .....
I know in talking to the owner (the same basic setup goes for the R/X) , that he highly recommends putting a Pro Circuit Link on it , it seems to help with balancing the bike more , as I mentioned to you in the other post ..... do the Judder Spring Mod . and set your sag
Read this .... https://www.dirtrider.com/smart-mods-to ... -crf450rx/