Originally Posted by socalrider

I have a 48/38/24 combo with my ultegra triple on my cyclocross bike.. This is for some of the super steep off road climbs im my area.. I use this with a 12-27 in the rear.. The front Der adjustment is pretty easy.. You will need a chain guard to keep the chain from dropping off when you go to the small ring..

Vuelta and Salsa make 24t or 26t inner chainrings.. The inner ring is 74mm bcd