The Nimbus 2 Sport tire features added puncture protection, an updated tread and compound that roll even faster, and more grip than ever before. It comes in many widths to accommodate different bikes, riding styles, and comfort levels, so it's the perfect choice for riding on any road or bike path. And with BlackBelt flat protection, you can have the peace of mind that you won't be plagued with flats. 26 x 1.5", psi 35-65 700 x 32mm, psi 75-100 700 x 35mm, psi 50-80 700 x 38mm, psi 50-80 700 x 50mm, psi 35-65 Bead: Wire Casing: 60 TPI Compound: 60a Flat Protection: BlackBelt