Up To Date 50+ B78 13 Trailer Tires
Up To Date 50+ B78 13 Trailer Tires. Motorhot 13 trailer wheel & tire 175/80d13 lrc et bias trailer tires 5 hole black steel ring pack of 2. Under us rules a trailer tire would be marked st meaning special trailer service not for use on a passenger vehicle.tr is the dot know that most all trailer tires, with an st before the tire size, are rated for max. While you won't get a speeding ticket for going 70 on a freeway.