rward325 wrote:RD Carbon Fiber 120g $1149.90 $9.52 per gram
Red 153g $299.99 $1.60 per gram
Record 187g $279.99 $1.49 per gram
DA 180g $159.99 $0.89 per gram
Wrong metric... this one equates a heavy, expensive part with a light, cheap one. An RD that weighed 1kg and sold for $890 would score the same as DA

You want weight SAVED/$, so you need to start with a reference point like DA or Ultegra...