27.5 x 1.90/2.125 CST Thornproof Inner Tubes
CST rubber inner tubes are designed for use with clincher tyres and rims. These 27 x 1.90/2.125 tubes are thornproof, and available with a straight Schrader valve.
Features
- 33mm Schrader Valve
- Thornproof
- 27.5 x 1.90/2.125 Inner
- Individually boxed