Originally Posted by carpediemracing

I would guess, purely on looks, that the Giants will be a bit lighter. Of course recent I've picked up lead weight OEM wheels that looked great when they were on the bike, so my guess may be off.

Bladed spokes weigh more. Tall rims usually weight more. Less rotating weight is good, it's what a light race tire will do for you.

I'd race on training tires. Anything not worn out and not too aged, i.e. tread is still supple.