2014 Cervelo R3 Ultegra Di2 58 with upgrades. Less than a year old and in fantastic shape. Upgraded seatpost, stem, and bars to Zipp. Upgraded saddle to Arione R1 ($400 saddle) and upgraded wiring system from stock to internal battery with 3-port front harness for internal charging. Wheels and tires are unused, chain is brand new. Bottom bracket was upgraded to a Chris King BB.
Here’s the link to the eBay listing which has further description and pics: eBay, got about 6k into it, looking for $3500 shipped, best offer entertained.