SHIMANO ULTEGRA CS-R8101 12-SPEED CASSETTE exclude_premium_shipping Powder coating black / metallic-silver

Powder coating black / metallic-silver

heat-treated steel

Compatibility: BOSCH Gen4 Smart System motors

the bag is just as convenient to carry off the bike

SHIMANO ULTEGRA CS-R8101 12-SPEED CASSETTE exclude_premium_shipping Powder coating black / metallic-silverGreat 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