Q-tubes are great reliable replacement tubes that come in a variety of sizes for most applications from the smallest kids bike to world class race bikes.
Thorn Resistant tubes feature super thick 4mm tire side rubber and slightly thinner but still super stout 2mm rim side rubber
Schrader valve tubes have the same type of valve that is used on cars.
Low Lead valve tubes meet State and Federal lead level requirements for use on children's bikes.
Specifications
ISO Diameter
622
Labeled Size
29x1.9-2.3
Material
Butyl
Valve Core
Removable
Valve Shaft Type
Smooth
Valve Type
Standard Schrader
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