2012 Trek Madone 4.5 WSD-T road bike, 52 cm. Trek 400 series carbon fiber frame and fork, Shimano 105 front and rear derailleurs, Shimano triple crankset (50/39/30) and 10-speed rear cassette (12-30), Shimano 105 STI shift/brake levers, Bontrager aluminum wheels and hubs, Bontrager 700x23 tires, Bontrager bars, headset, seatpost, WSD Affinity saddle. Includes Shimano 105 clipless pedals. Ridden 6 months (800 miles) - no crashes, scratches, dings, missing paint, etc. In excellent condition.