Originally Posted by
EthanYQX
I'd highly suggest a good barbell program like Starting Strength. Don't do the gallon of milk a day thing, that's absurd. You'll train your core as effectively as possible that way.
This. GOMAD is great for people trying to get big, not so much for a cyclist.
I very rarely do any "ab" work, its much more effective to just squat and deadlift.