An excellent multi-use tire. The Pasela makes any bike more versatile. Its center ridge rolls over broken pavement and works on dirt roads as well. An excellent value for commuting or touring. Size 27 Inch (ISO 630). Black tread with a tan sidewall. Wire Bead.The Pasela tread pattern and durable rubber compound makes short work of uneven road surfaces, using a genuine Kevlar Tourguard belt beneath the tread to increase puncture resistance. Amber sidewall.