Originally Posted by Ruffinit

Look, you are obviously new to the sport and have just shelled out almost a grand on a bike. The difference at this point of 4 lbs is not going to make any difference to you. Ride the bike you have and get the most out of it. If you progress in your riding, you'll be upgrading in 2 to 3 years anyway. There are many very good riders out there that are riding lesser spec'd bikes than you just bought. A heavier bike (yours is not heavy) is a smoother riding bike for the most part. Where a lighter bike will excel is on climbs and sprints.