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Built for reliability and everyday performance, the CST Acimut Tube 20 x 1.90/2.125 SV 40mm keeps your ride smooth and dependable across a wide range of conditions.
Designed to fit 20-inch tires with widths between 1.90 and 2.125 inches, this tube ensures a snug, consistent fit for urban commuters, folding bike users, and BMX riders. The Schrader valve, with its 40mm length, offers easy inflation compatibility with standard bike pumps, making mid-ride maintenance straightforward and efficient. Durable construction resists common punctures and maintains air pressure over longer periods, supporting uninterrupted rides whether in the city or at the skatepark.
Key Features
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Compatible with 20-inch tires ranging from 1.90 to 2.125 inches wide
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Reliable butyl rubber construction for enhanced durability and air retention
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Schrader valve (SV) with a 40mm stem for easy and versatile inflation
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Ideal for BMX, urban, and folding bikes
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Resistant to punctures and environmental wear
Technical Specifications
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Size: 20 x 1.90/2.125
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Valve Type: Schrader (SV)
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Valve Length: 40mm
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Material: Butyl rubber
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Recommended Use: Urban commuting, BMX, folding bikes