Recently converted my bike from mechanical Dura Ace 7900 over to Ultegra Di2. Selling the mechanical Dura Ace 7900 parts that are no longer needed. All of these parts are very low mileage, never wrecked, and in pristine condition. Prices include shipping. PM me if interested.
SALE PENDING - Dura Ace 7900 Front Derailleur - $80

SALE PENDING - Dura Ace 7900 Rear Derailleur - $170

SALE PENDING - Dura Ace 7900 Brake Levers - $120/pair

SALE PENDING - Dura Ace 7900 Bar End Shifters - $75/pair

SALE PENDING - Complete Set - $400

Not pictured are the following 10-speed cassettes with varying levels of mileage:
Shimano 105 12-25 (moderate mileage, all on trainer) - $25
Shimano Ultegra 12-25 (moderate mileage) - $25
Shimano Ultegra 11-23 (very low mileage) - $35
SALE PENDING - Ultegra 11-28 (very low mileage) - $35