The trek crockett disc frameset 2018 includes a 300 series alpha aluminium frame e2 tapered head tube bb86 compatibility flat mount disc brakes stranglehold dropouts 12mm thru axle control freak internal cable routing and a 3s chain keeper the trek crockett disc frameset also includes the trek isospeed cross full carbon disc fork e2 steerer flat mount disc brakes and a 12mm thru axle trek crockett disc frameset 2018 features alpha aluminium and cx race geometry for max