Originally Posted by
GovernorSilver
The point is not that you should get a 105 set but that you may or may not get the performance out of the Nexus 8 that you might be used to seeing, in comparison to non-IGH, geared bikes like the 105 or the Claris or the whatever.
I converted a derailleur MTB to a 7 speed Shimano IGH, and I couldn't tell any difference in weight, or efficiency within comparable gear ranges.