Adjustment of the rearwing’s angle of attack of the Levitaz Racefoil the R5. In order to adjust the desired angle ofattack use the Inbus 3,0mm tool (C) provided in the Tool kit. Both threaded pins are pre-greased and pre-mounted. The trimming system gives you the option to trimm in total 0.8 degrees. Half a turn results in 0.2 degree change of the angle of attack on the rearwing.