T5 Wheel Minimum Weight
#33558 from Mike Ogren · Rule change · TB 23-06 (2023-06 Fastrack)
In B-Spec and C-Spec Categories Specifications, GCR Section 9.1.10.E.8., add the following:
"Wheels: For B-Spec Required wheel/rim diameter is fifteen inches (15”). Maximum wheel/rim width is seven inches (7”).
Minimum Wheel/rim weight shall be 13 lbs. For C-Spec Required wheel/rim diameter is seventeen inches (17”). Maximum
wheel/rim width is eight inches (8”). Minimum Wheel/rim weight shall be 17 lbs.."