yeah saw a breakdown somewhere that showed the actual watt savings are tiny, like maybe 1-2 watts at best. You gotta be putting out pro level power to even feel that. For the average person riding around town or even in a fast group, it's just not there. The marketing makes it sound like a magic bullet but it's honestly one of the last things I'd upgrade. Totally agree that money goes way further on comfy shorts or getting your position dialed.