Posted by Doc Dave on Friday, August 11, 2006 at 9:19PM :
In Reply to: Nondirectional tread question posted by Tom in Oregon on Friday, August 11, 2006 at 8:03PM :
I think it is because a non directional is equally adept at going forward or reverse in dirt, sand, etc.
WIth modern directional tires, they don't perform as well in reverse.
Maybe COTM Mike can chime in.