http://cdn.specialized.com/OA_MEDIA/pdf/manuals/09 Multi_Pos_Stem_Indiv_r1.pdf
That's gonna be as much info as you need I bet. There should be a marking that tells you the length up by the bolts that attach it to the bar.
That's gonna be as much info as you need I bet. There should be a marking that tells you the length up by the bolts that attach it to the bar.