Never before has a high tech road bike been so capable on low tech roads the grade is ready for everything from freshly paved switchbacks to the gravel roads and everything in between the grade knows no boundsframe gt enduroad carbon frame and fork disc specific triple triangle with tapered head tube full carbon fork pfbb30 bottom bracket removable fender bridgefork gt carbon with tapered 1 18 to 1 14 threadless carbon steerer disc specific 15mm thru axlecrankset shimano 105 5236 with