18 x 1.90/2.125 CST Inner Tubes

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