Originally Posted by
ltxi
Mebbe, mebbe not. I have a 2013 mixed group Tiagra and lower equipped Synapse I've been upgrading to full 6800. Total for parts somewhere north of $500. RS11 wheelset is a courtesy hand me down from an upgrade to another bike. As is the 11-32 Ultegra cassette. Has turned the Synapse into a whole better bike that I actually still want to ride vice using it as a put up with back-up.
I have no clue about the SRAM vs Shimano hierarchy, but it seems to me you were upgrading to what the OP already has.
Would you upgrade to Dura Ace just because, if you had started with 6800?