Just trying to suss out which bike I should buy. I plan to upgrade from aluminium to carbon, and my budget is $2000, but if I can get something amazing for slightly more, I'd be keen. All bikes are 105 groupset, and I have some decent wheels and pedals to throw on the new carbon. I plan to use it for longer rides (50km+) and as a dry-weather bike. This is the De Rosa 348 (the one in the shop is…