Boardman AiR 9.4 Ultegra Di2 (2015) for sale

Selling my trusty Boardman AiR 9.4 aero bike to raise funds for HDB house deposit.
Bought in Dec 2015. Would've still kept and keep riding it, if not for the above reason.

Size: SM 50.5cm (I am 1.76 to 1.78 height)
Gears: 11 speed Shimano Ultegra Di2 (front and back)
Cranks: Shimano Ultegra
Brakes: Shimano Ultegra
Wheelset: Boardman AIR Elite 5 Alloy (new, never used)
Frame Material: AiR carbon
Fork: AiR carbon
Handlebar: Boardman
Stem: Boardman
Seatpost: AiR carbon
Saddle: Fizik
Weight (kg): 7.5 to 8kg

BONUS FREE: Shimano eFly wireless unit and short cable (not Bluetooth)
Bike RAdar Review: https://www.bikeradar.com/road/gear/category/bikes/road/product/review-boardman-air-9-4s-di2-15-49727/