This Front & Rear Inner Tube Set is a reliable replacement solution for dirt bikes, pit bikes, and motocross motorcycles using 19-inch front and 16-inch rear wheels. Whether you're repairing a flat or upgrading worn tubes, this set provides dependable performance for off-road riding.Constructed from durable, heavy-duty rubber, these tubes offer excellent air retention and resistance to punctures caused by rocks, roots, and uneven terrain. The front tube is sized for 2.75/3.00-19 tires, while the rear tube supports a wide range of 16-inch tire sizes, making this set versatile for many bike models.Ideal for trail riding, practice tracks, or regular maintenance, this inner tube set helps keep your bike running smoothly and safely in demanding conditions.SpecificationsProduct Type: Front & Rear Inner Tube SetFront Tube Size: 2.75/3.00-19Rear Tube Size: 3.25/3.50-16Front Rim Size: 19 inchRear Rim Size: 16 inchMaterial: Heavy-duty rubberFeatures: Puncture resistant, durable, strong air retentionFitmentFront Tire Compatibility:70/100-19Rear Tire Compatibility:90/100-16100/90-16100/80-1690/90-1680/100-16Vehicle Applications:Dirt BikePit BikeMotocross BikeOff-road motorcycles with 19” front & 16” rear rimsPackage Includes1 × 2.75/3.00-19 Front Inner Tube1 × 3.25/3.50-16 Rear Inner Tube Front & Rear Tube Combo Set Includes 1× 2.75/3.00-19 front inner tube and 1× 3.25/3.50-16 rear inner tube, perfect for complete tire tube replacement or maintenance. Wide Tire Size Compatibility Front tube fits 70/100-19 tires; rear tube fits 90/100-16, 100/90-16, 100/80-16, 90/90-16, 80/100-16, covering most 19” / 16” off-road setups. Heavy Duty Rubber Construction Made from high-quality rubber with excellent elasticity, providing strong puncture resistance, stable air retention, and long-lasting durability. Built for Off-Road Riding Designed to handle dirt, mud, rocks, and rough terrain, ideal for trail riding, motocross practice, and pit bike use. Fits Popular Dirt Bike Models Compatible with TTR125, CRF150F, DRZ125, XR100, KX100, CR85R and many other dirt bikes using 19” front and 16” rear wheels. Size Large Brand Name 91.SCS Valve Type Schrader Wheel Size 16 Inches Manufacturer 91.SCS Model Number 90/100-16 Inner tube Material Type Rubber Included Components Tubes Warranty Description YES Manufacturer Part Number SCSTL004+SCSTL002