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Replacement inner tube for 20" tires 3.3" - 4" wide.
RadExpand 5, RadMini, RadMini Step-Thru, RadRunner 1, RadRunner 2, RadRunner Plus
Kenda Krusade - 20" x 4" tireKenda K-Rad - 20" x 3.3" tire
PSI Range: 5 - 30 PSI
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