Katie Compton's new Trek Boone carbon cyclocross bike's head tube tapers from 1.5" to 1-1/8". photo: Trek

Katie Compton’s new Trek Boone carbon cyclocross bike’s head tube tapers from 1.5″ to 1-1/8″. photo: Trek

Katie Compton's new Trek Boone carbon cyclocross bike with internal cable and wire routing. photo: Trek

Katie Compton’s new Trek Boone carbon cyclocross bike with internal cable and wire routing. photo: Trek