Ace, “Mike Baldus says” we have run CKI, Emmick and Margay w/ 4 1/2″ front wheels and 4.50 tires. If you go to a 2 1/2″ in 2″ out front wheel, you can take each wheel in 1/2″. Douglas makes that wheel, and he thinks there are others that make it also.
Keep on kartin'. llb