20 x 1.90/2.125 CST Inner Tubes
![20 x 1.90/2.125 CST Inner Tubes](http://static.hswhite.co.nz/images/products/450/20-x-1-90-2-125-cst-inner-tubes.jpg)
![20 x 1.90/2.125 CST Inner Tubes](http://static.hswhite.co.nz/images/products/20-x-1-90-2-125-cst-inner-tubes.jpg)
CST rubber inner tubes are designed for use with clincher tyres and rims. A long standing brand, CST inner tubes offer reliability and great value for money.
These 20 x 1.90/2.125 tubes are available with a straight Schrader valve.
FEATURES
- 33mm Schrader Valve
- 20 x 1.90/2.125 Inner
- Individually boxed