Size 3.50/3.00-4 inner tube (innertube), angled valve stem, most commonly (though not exclusively) used for 2-stroke pocket bikes. Frequently 33cc, 43cc, 47cc and 49cc air cooled and liquid cooled pocket bikes. [More Info]

This 3.50/4.10-4 innertube (inner tube) with bent valve stem is most commonly (though not exclusively) used for smaller 2-stroke powersport machines (pocket bikes, mini bikes etc), lawn&garden and utility products. [More Info]

This 110/50-6.5 (90/65-6.5) inner tube (innertube) is commonly (though not exclusively) associated with 37cc to 49cc pocket bikes, mini bikes, mini choppers and other miniature powersports products. [More Info]

This 3.00-4 inner tubes (innertube) is commonly (though not exclusively) associated with 37cc to 49cc pocket bikes, mini bikes, mini choppers and other miniature powersports products. [More Info]

This 3.50-4 innertube (inner tube) with rubberized straight valve stem is most commonly (though not exclusively) used for smaller 2-stroke machines. [More Info]

This 4.10/3.50-4 innertube (inner tube) with bent valve stem is most commonly (though not exclusively) used for smaller 2-stroke powersport machines (pocket bikes, mini bikes etc), lawn&garden and utility products. [More Info]