Kenda (K193) Kwest 26x1.50 Blue/Black Wire Bead 100 PSI Kenda (K193) Kwest 26x1.50 Blue/Black Wire Bead 26" Road tire has K-shield puncture-resistant tire casing. High Presure Tire 100 PSI High Pressure version 100 PSI ISO Diameter: 559. ISO Width: 40 mm. PSI: 100 PSI. Weight: 550g. 60 TPI.