Important information regarding use of rigs in DR6 and DR8

World Championship and World Masters in Minocqua (WI), USA will follow only IFSS rules. There will be no exemption given  to use three wheelers in DR6 and DR8 class in the event. 

Please refer to IFSS Race rules 82.2.3 . The rig in DR6 and DR8 shall have minimum four (4) wheels. The minimum diameter on all wheels shall be 30 cm (12 in). The minimum wheel base (the distance between front and rear axle) shall be 110 cm (43 in) and the minimum track (the distance between the wheels on the same axle) shall be 70 cm (27 in).