Originally Posted by allroader55

I test rode a Warbird with Tiagra a few weeks ago, and I was surprised by how closely it felt to 105, which in turn is extremely close to Ultegra. There is very little difference between 105 and Ultegra now, unless you want Di2 or hydraulic brakes. I have been opposed to only getting Tiagra on expensive bikes (105 just is not expensive, so why penny pinch down to Tiagra on >$1500 bikes!!!), but it shifts well. The 105 is a little less amateurish in shifter build materials and not having the gear dial, etc.