Back to being a Clyde....
Joined: Oct 2004
Posts: 1,544
Likes: 0
From: Santa Clara
Bikes: Giant OCR1(specialized carbon seatpost,Terry Fly sadle, Syntace C2): Leader TT frame, Easton EC70fork, Aerolite bars, nashbar bullhorn, Titan Wheels: Fuji Track Pro(2003)
Either is fine. The Specialized Langser is fine for most tracks. Our rental fleet at Hellyer is made up of mostly Langsters.
If you ride one of the steeper tracks, you might want a more "track" geometry bike..but I am not sure the Mark V is that much more "trackish"
If you are a 54, I would check out chucksbikes.com for his Fuji Pro(screaming deal) or the Fuji