Nashbar Shimano 105, 51cm frame, road bike, $500; 6 month old

bought this bike in April 2015. Original price is $890 I am adding Shimano pedals and a new carbon tire.
I am selling it because I am upgrading to a carbon bike.
Good for anybody in between about 5'2" and 5'10" (I am 5'8", and it is perfect).
FORK Full carbon fiber, 1-1/8" to 1-1/2" taper steerer
FRAME Alloy, 1-1/8" to 1-1/2" taper head tube, English threaded bottom bracket, replaceable rear derailleur hanger
HEADSET FSA N0.42/ACB
CRANKSET FSA Omega Compact, 50/34T, Crank arm lengths: 170mm
BOTTOM BRACKET MegaExo, English threaded
SHIFTERS Shimano 105 5800 2x11 speed
LEVERS Shimano 105 5800
HANDLEBAR Kalloy aluminum, 31.8mm clamp diameter, 120mm drop, 75mm reach, Widths: 42cm;
STEM Kalloy aluminum w/ stainless steel bolts, 31.8mm clamp diameter, +/- 7 degree rise, Lengths: 100mm
FRONT DERAILLEUR Shimano 105 5800, 31.8mm clamp diameter
REAR DERAILLEUR Shimano 105 5800 11-speed
CASSETTE Shimano 105 5800 11-speed, 11-28
BRAKES Tektro R325 alloy
WHEELSET Shimano RS010
TIRES Hutchinson Nitro 2, 700x25, Wire bead
PEDALS Not included
SEATPOST Kalloy 6061 aluminum, 27.2mm x 350mm
SADDLE Velo VL-1353, Chromoly rails
CHAIN KMC X11 11-speed
GRIPS/TAPE Velo cork