Originally Posted by
HazeT
I'm wondering what advantage does 105 have over Tiagra now since both are 10 spd. looks to me that they are overlapping. If you are a weight weenie you will probably want the higher end, if you are an enthusiast, recreational 105 will probably be good enough.
Shifters, casette, chain, rear derailleur, yadda. The shifters are not even close.