Thanks for your download! 

Installation: 
-Drop the sx6r folder in:
Grand Theft Auto V\mods\update\x64\dlcpacks

-Find your dlclist.xml here:
Grand Theft Auto V\mods\update\update.rpf\common\data

Right click on dlclist.xml, click "edit", and add this line: 
		<Item>dlcpacks:/sx6r/</Item>


You can choose between two differents handling types, Lore Friendly or BLZ style:
-Lore Friendly handling handle like vanilla bikes.
sx6r: road handling
sx6r2: stunt handling
sx6r3: drag handling

-BLZ Style handling handle agressive, and need more skills to master, but will allow a lot more fun.
sx6r: sport/stunt handling
sx6r2: agressive stunt and drift handling
sx6r3: full drift handling.

(by default the mod is set on BLZ Handling.)

If you want to switch handling, go here:
Grand Theft Auto V\mods\update\x64\dlcpacks\sx6r\dlc.rpf\data
And replace handling.meta.