Wealthy middle-age people and pro now spend fortune to save half a watt so that 2% gain is indeed not marginal at all. Although I tend to be very cautious with

Wealthy middle-age people and pro now spend fortune to save half a watt so that 2% gain is indeed not marginal at all. Although I tend to be very cautious with manufacturers claims, for some reason especially CeramicSpeed. That being said, I wish them to succeed, as it will bring some fresh air to cycling.