Express ON, Warehouse "Express" items are automated and typically shipped out next available business day and delivered within 4 day. In Stock
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This 80/100-21 (2.75/300-21) inch inner tube (innertube) is most commonly (though not exclusively) associated with 150cc, 200cc, 250cc and higher displacement dirt bikes / pit bikes with a 19 inch rear / 21 inch front wheel configuration.
Commonly associated denotations: