Shimano road bike components from the Dura-Ace, Ultegra and 105 series
Shimano DURA-ACE CS 9000 11-speed cassette spare part, sprocket block with 21–23 teeth for 11–23 gear ratio
Original Shimano Ultegra bottom bracket, SM-BBR60, for Hollowtech II road bike cranksets, BSA thread, 68 mm installation width
Shimano spare part for DURA-ACE Di2 rear derailleur RD 9070, inner derailleur hanger, outer plate plus plate stopper pin, No. 6