SHIMANO ULTEGRA BR-R8170 FLAT MOUNT REAR DISC BRAKE CALIPER Finance Performance Line/Speed (BDU2XX)

Performance Line/Speed (BDU2XX)

5/18/27/32 mm sunken nut

1 Dura Ace 2x11-speed Di2 Front Derailleur FD-R9150 Braze On

Polypropylene 20%

SHIMANO ULTEGRA BR-R8170 FLAT MOUNT REAR DISC BRAKE CALIPER Finance Performance Line/Speed (BDU2XX)Great speed means great responsibility. That's why, faced with the task of making the new ULTEGRA groupset even faster, Shimano decided to take a holistic and 100% performance focused approach. Shimano's new 12 speed road groupset delivers unparalleled control and comfort anytime, anywhere whether you're competing in an amateur race, chasing your personal best, or out for a social ride. That is "Science of Speed". And it's what sets SHIMANO apart from