100% 4130 chromoly tapered fork blades, lugged crown and matching fork ends; interchangeable with most aftermarket carbon forks * Columbus Zona tubing, double-butted main triangle; brazed on seat collar and reinforced water bottle bosses * PressFit 30 bottom bracket shell * Rustproof E.D. finish inside and out; no need to apply Frame Saver * Internal cable routing, hidden fender mounts