the reason the arrows go in opposite directions on front and rear tyres is because the rear is designed to deal with acceleration forces and the front has to deal with the majority of the braking forces.
Did another video, bit longer, showing conditions were not brilliant but new k60 tyres were great, sorry about bit of crap on camera i stop to wipe it off about 6 minutes in gives you an idea though, still uploaded wrong,not sure why its black at edges will get there in the end