Michelin Heavy Duty Front Inner Tube 80/100-21 80/100-21" TR4 Valve Fits Front 2.50-21", 2.75-21", 3.00-21", 80/90-21", 90/90-21", 80/100-21" and 90/100-21" Tyres. Heavy Duty Reinforced Inner...

Michelin Heavy Duty Rear Inner Tube 140/80-18 140-80-18" TR4 Valve Fits Rear 130/80-18", 140/80-18", 120/90-18" and 130/90-18" Tyres.  

Michelin Heavy Duty Rear Inner Tube 90/100-14 90/100-14" TR4 Valve Fits Rear 14" Tyres  

Michelin Heavy Duty Rear Inner Tube 90/100-16 90/100-16" TR4 Valve Fits Rear 16" Tyres  

Michelin Heavy Duty Rear Inner Tube 100/90-19 100/90-19" TR4 Valve Fits Rear 120/80-19" and 100/90-19" Tyres.  

Michelin Heavy Duty Rear Inner Tube 100/110/100-18 100/110/100-18" TR4 Valve Fits Rear 100/100-18", 110/100-18", 120/90-18" and 130/80-18" Tyres.