Ultegra Di2 R8050 Series 11-Speed Rear 2017 FREE shipping within Australia over AU$199.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Ultegra Di2 R8050 Series 11-Speed Rear 2017 FREE shipping within Australia over AU$199.00 In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...