Originally Posted by Wildwood
One request (and I apologize for the strident tone), please do NOT put mtb gearing on a race bike. You are a powerful, thin guy, just train it up and suffer on the climbs until you develop road bike endurance for the hills, it will come with practice. Go for it, dude. Time to stepfam up to the plate. Masters races are in your future.
A big +1 on that. You're getting yourself a thoroughbred go-fast bike. Don't try to change its nature. Let it change you. Keep the Giant and its triple crank for days when you don't feel up to the task of riding the fast bike fast.