US RC car governing body ROAR have announced an immediate update of their 1/10th buggy wheel rules. After banning the new style 2.4″ buggy rims back in Summer 2014 ROAR have now declared them legal for all ROAR sanctioned events such as the forthcoming Nationals. This means both the traditional 2.2″ rims as well as the new 2.4″ or 61mm diameter wheels are allowed as are the respective tyres.
ROAR is introducing a rules change with immediate effect that results in 2 different wheel configurations being available as options for manufacturers and competitors: – the existing 2.2″ nominal wheels – the newer 2.4″ or 61mm nominal wheels The new rules do not include dimensions compatible with vintage style wheels as they are generally not used in ROAR sanctioned competition. Dimensions for the traditional 2.2″ wheel will be: – Mounting Bead Diameter – 2.20 inch (55.88mm) +/-.013 inch (.30mm) – Maximum Overall Diameter – 2.42 inch (61.468 mm) – Width – 1.513 inch (38.43mm) maximum Dimensions for the newer wheel style will be: – Mounting Bead Diameter – 2.380 – 2.427 inch (60.45 – 61.65 mm) – Maximum Overall Diameter – 2.571 inch (65.3 mm) – Width – 1.513 inch (38.43mm) maximum