BikeMaster Heavy Duty Tire Tube 100 90 19 TR 6 Valve 374678 2006 Kawasaki KVF650 Brute Force 4x4 I 1983 Kawasaki KZ550H GPZ 1983 Kawasaki KZ550H GPZ Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Wiseco Top End Rebuild Kit Part Number PK1085 Fitment Type Unit Sale Qty Each Style Material Color Size 72 Product Details Product Line BikeMaster Heavy Duty Tire Tubes Part Number 374678 Fitment Type Size Specific Fiitment Use Type Replacement Tire Tube Unit Sale Qty Each Style Position Size 100 90 19 Tire Terrain Tire Diameter Tire Width Tire Thread Depth Speed Index Rating Load Rating Wall Construction Tire Tube Type Tube Valve Type # the natural rubber compounds of the BikeMaster Heavy Duty tubes are durable