The GT650 uses a different hub and rim and chain length etc.
So if you wanted a kit from our shop, just pop me an email , i will find out what we can do for you and shipping cost to Norway and how long it takes us to gather the kit together
I’m glad you asked as I’ve been wanting to do a new chain kit product range for the GV650 bikes, i’ve not forgotten about them!
Most people just seem to stay with belt drives!