Plastic Drive Wheel / Toro 105-1815Pack Size:1Toro 105-1815NHC 225-1272, Ratio Parts 002-037, Rotary 13492Toro 22" Recycler, 20001-20111Bore: 1/2 ", Tread: Radial, Wheel Size: 8", Hub: 1 3/4 "