SHIMANO ULTEGRA FC-R8100 12-SPEED CRANK 50/34T Size:175mm Cassettes: 10-12-14-16-18-21-24-28-32-36-42

Cassettes: 10-12-14-16-18-21-24-28-32-36-42

Execution: SnakeSkin

11-34 (11-13-15-17-19-21-23-26-30-34T)

Aim Disc (2014)

SHIMANO ULTEGRA FC-R8100 12-SPEED CRANK 50/34T Size:175mm Cassettes: 10-12-14-16-18-21-24-28-32-36-42Great 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