Originally Posted by
speshelite
Veloce is 10 speed, 105 is 11.
105 and Potenza are the lowest tier 11 speed groups from campy and shimano, so 105 should be compared to potenza not veloce.
Though Potenza and Ultegra stack up the same for overall 11s groupset weight.. so that's probably the correct comparison. Biking stratification is always about weight.