Joined: May 2014
Posts: 8
Likes: 0
From: North Vancouver, BC (Canada's tropics)
Bikes: 1992 Marioni w Campy Mirage, 2013 Salsa Vaya, 1996 Rocky Mountain Blizzard, 2012 Santa Cruz Blur TRC, 2002 Trek 5050 OCLV
The front chain ring on the Ultegra is 30-39-52. The stock on the 13 is Sram Apex, not sure if that makes any difference as well.