20 x 1.90/2.125 CST Thornproof Inner TubesCST rubber inner tubes are designed for use with clincher tyres and rims.These 20 x 1.90/2.125 tubes are available witha straight Schrader valve, and are extra thick to be thornproof.Features33mm Schrader ValveThor
20 x 1.90/2.125 CST Thornproof Inner Tubes
CST rubber inner tubes are designed for use with clincher tyres and rims.These 20 x 1.90/2.125 tubes are available witha straight Schrader valve, and are extra thick to be thornproof.
Features
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