http://www.bikesdirect.com/products/..._pro_ti_xi.htm
&
http://www.bikesdirect.com/products/...ross_ti_xi.htm
Those two bikes caught my eyes, but it said you can put read racks on the bike....and there is no holes in the back, except for the disk brakes. What makes the Shimano Ultegra more expensive than the SRAM Rival?