Sorry, 40mm deep aluminium rims? Does he want wheels that weigh 2.5 kilos? 40mm isn't really semi aero and is well into aero territory. I don't even know any 40mm aluminium rims...
Or are you saying that a carbon fairing on an aluminium rim works?
Yeah, sorry carbon fairing.
Basically alloy brake surface for all weather braking is key.
He has carbon rim brakes on his TT bike and they are mildy terrifying in the wet
Sorry, 40mm deep aluminium rims? Does he want wheels that weigh 2.5 kilos? 40mm isn't really semi aero and is well into aero territory. I don't even know any 40mm aluminium rims...
Or are you saying that a carbon fairing on an aluminium rim works?