2011 Trek Cobia - 21 inch
Trek Cobia started out at 29.5 Lbs on my scale. Dropped 2.7 Lbs so far for a final weight of 26.8.
The biggest shocker was the rear cassette. This thing was a brick at 452 g. An SRAM 990 brought that down to 303 g for a 0.33 Lb drop on just the cassette.