SHIMANO ULTEGRA CS-R8101-12 12V 11-34D CASSETTE

HYPERGLIDE+ cassettes have revolutionized shifting in off-road cycling with perfect smooth shifting and downshifting. The time has come for technological changes in road cycling. Even during maximum efforts uphill or racing with a friend, you no longer need to reduce pressure on the pedals to shift gears. In any gear, ULTEGRA R8150 transmissions maximize efficiency with larger sprockets and maintain compatibility with existing HYPERGLIDE rear hub bodies. All this by shifting to 12 gears and without increasing weight, ULTEGRA CS-R8100 cassettes are the new frontier for road bikes.

SHIMANO ULTEGRA CS-R8101-12 12V 11-34D CASSETTE MAIN FEATURES:

• Refined 12-step progressivity maximizes efficiency and acceleration performance for all race situations.
• Faster and smoother gear changes even at maximum pedaling force.
• Compatible with new 12v rear hub body and 11v road body.