Built for unfaltering speed through a wide range of conditions, the Riddler 45c delivers added gusto to the rider who finds themselves on the roughest of roads. The proven tread design of the Riddler is now available in a wide drop bar width to drown out the harshness of the ride, without sacrificing performance. Expanding what gravel can do while happily accommodating dirt touring, the Riddler 45c corners with confidence on hard surfaces while still sinking its teeth deep into your favorite trails. Incredibly versatile in a what-can’t-it-do type of size, this tire breathes capability when mounted to any drop bar bike. 560gm.