The Shimano Dura-Ace R9150 Di2 components and groupsets, now also available with optional Bluetooth and ANT+ connectivity
Original Shimano Ultegra bottom bracket, SM-BBR60, for Hollowtech II road bike cranksets, BSA thread, 68 mm installation width
Shimano spare part: tension spring seal, p-seal ring for the tension spring of the Dura-Ace R9100, Ultegra RX80 / R8000, GRX RX815/12/10/20 and XTR M9120 / M9000 rear derailleurs