Shimano Ultegra FD-R8150 Front Derailleur Di2 12-Speed Braze-on Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button... Shimano Ultegra FD-R8150 Front Derailleur Di2 12-Speed Braze-on Ships within Australia In stock. Available via Click and Collect or Buy Online Share Loading Facebook Like button...