I had the reply open before the others posted, anyhoo there are loads of other options. If he's wanting some more recommendations I can make some up. Generally you'll get better value building up.
Ask if he wants
Carbon or ally rims, carbon lighter but mostly for tubs and braking can be compromised
Aero or light, weights are such that people are choosing a bit of aero now.
Ask if he wants
Carbon or ally rims, carbon lighter but mostly for tubs and braking can be compromised
Aero or light, weights are such that people are choosing a bit of aero now.