Cassette Shimano ULTEGRA CS-R8101 12-speed

A 12-speed cassette for road and gravel use. The 11–34T progression has 11-12-13-14-15-17-19-21-24-27-30-34 teeth.

Technical specifications

• The refined 12-step gear combination provides high efficiency and acceleration for every racing situation.
• Faster, smoother shifting under maximum pedaling force.
• Compatible with new 12-speed and road 11-speed FREEHUB bodies.
• Hyperglide+ provides faster shifting, improved speed, shifting efficiency and smoothness on any terrain.
• Use: Road / Gravel.
• Groups: Ultegra R8100, GRX RX820.
• Model: CS-R8101-12.
• Type: Hyperglide L2 Road.
• Gearing: 12-speed.
• Compatible chain: CN-M8100 HG 12-speed.
• Progression: 11–34T (11-12-13-14-15-17-19-21-24-27-30-34 teeth).
• Materials: spider arm – aluminum, sprockets – steel, lock ring – aluminum.
• Weight: 345 g.