18 x 1.90/2.125 CST Inner Tubes
CST rubber inner tubes are designed for use with clincher tyres and rims. These 18 x 1.90/2.125 tubes are available with a straight, 33mm Schrader valve.
Features
- 33mm Schrader Valve
- 18 x 1.90/2.125 Inner
- Individually boxed
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