BikeMaster Heavy Duty Tire Tube 100 100 18 TR 6 Valve 374670 2019 Polaris RZR 570 EPS Front or Rear 1983 Yamaha SXJ750RK Seca 1983 Yamaha SXJ750RK Seca Product Details Tire Diameter Speed Rating Load Rating Wall Construction Tire Tube Type Rim Size Product Line Ricks Motorsport Stator Part Number 21 403 Fitment Type Unit Sale Qty Style OEM Replacement Material Color Size Finish Position Functional Length Cable Sleeve Length Cable Sleeve Travel Driver Seat Length Passenger Seat Length Driver Seat Width Passenger Seat Width Piston Cylinder Size Piston Size Added Cylinder Stroke Volume Final Engine Displacement Exhaust Configuration Muffler Size Muffler End Tip Style Windshield Height Windshield Width Handlebar Diameter Ca ARB Compliance Non CARB Complaint CARB Compliant Product Disclaimer the natural rubber compounds of the BikeMaster Heavy Duty tubes are durable these tubes provide better puncture and pinch flat protection to keep you riding