The vision metron 40 carbon clincher wheelset is a 255mm wide 40mm deep dish carbon clincher aero section wheelset the wider rims gives it a super aero modern rim shape that cuts through the air effortlessly and with the extra light pra preload reduction assembly hubs and straight pull aero bladed spokes make these wheels 1640g per pair they re the perfect wheel to road racing and sportives and are uses for the cannondale pro cycling team week in week out the hubs use 6 sealed bearin