HIAORS 145/70-6 145X70-6 450/530-6 13x5.00-6 Utility Tire Inner Tubes with Bent Angel Valve Stem for Lawn mowers ATV Go Kart Four Wheeler Quad Mini Bike Pack of 2 : Amazon.co.uk: Automotive
Two 145/70-6 Go Kart Tire Inner Tubes with TR87 Bent Metal Valve Stems by TYK Industries. Fits Small ATV 5.30-4.50-6 Tires Too. : Amazon.co.uk: Automotive
260x85 Inner Tube 300-4(10x3 260*85) For Knobby Scooter Atv And Go Kart Tire And Tube Motor Tire | Fruugo UK
Pair Of (2) 5.30/4.50-6 Lawn Tire Inner Tubes TR87 Valve ATV Go Kart 145x70-6 728620920316 | eBay