* Aerodynamically honed stem with adjustable length and angle to optimize your position * The rider makes up 80-90% of total aero drag, so refining position can produce some of the biggest aero gains of all. * Included shims allow change of +/- 2.5mm in reach at -12deg, or adjust the angle to -7deg or -17deg * ONLINE SALES PROHIBITED UNLESS AUTHORIZED BY ENVE