Goodyear's 856T61-1 8.50-6 6PR Aircraft Rib tire can be used as either tubeless, or interchangeably in tube-type applications (with tubes).
Unique cord body shape
Helps reduce stress as the tire cycles from tension to compression
Tough casing design
Performs in a wide range of operating conditions
Specially compounded tread design and large contact area
Versatility for many runway types
20" OD x 8" wide uninflated dims. This will change with air in the tire and the aircraft weight on it. It weighs approx 16 lbs.