(2) Due tubi interni pneumatici 21x8-9 ATV, resistenti con steli valvole TR6 21x8,00-9
They are multi-fit tubes that are made to be used in the following sizes: 19x7-8, 19x8-8, 20x7-8, 21x9-8 and 21x8-9. The most common applications are for ATV tires.