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CST Tube 18x1.9/2.123 SV

$9.99 NZD

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The CST Tube 18x1.9/2.123 SV is a bicycle inner tube ideal for 18-inch tires with widths ranging from 1.9 to 2.123 inches. Featuring a Schrader valve (SV), it's compatible with a wide range of bicycles and offers easy inflation. Constructed with durable materials, this tube provides reliable performance and puncture resistance for various biking activities, including commuting, leisure riding, and light off-road trails.


  • Designed for 18-inch tires with widths from 1.9 to 2.123 inches
  • Equipped with a Schrader valve (SV) for easy inflation
  • Durable construction ensures reliability and puncture resistance
  • Suitable for commuting, leisure riding, and light off-road trails

Technical Specifications
  • Size: 18x1.9/2.123 inches
  • Valve Type: Schrader (SV)
  • Tire Width Compatibility: 1.9 to 2.123 inches
  • Recommended Use: Bicycles
  • Material: Durable construction
  • Application: Commuting, leisure riding, light off-road trails

Customer reviews

Customer reviews

Shoes arrived in record time, 100% recyclable packaging with a lovely personalised note. Came across this shop by chance but very glad I did and highly reccommend for online orders.
— Damon

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