been using this board almost a year.
1 of my favourite board.
used 8.5gtx, 8.5 overdrive and 6.5 gtx.
the 8.5 range seems more suitable with the board. fast and easy to control.
i weigh about 76kgs.
10kts> on 8.5
18kts> will be 6.5 up to 25kts<
well covered range