The Shimano 105 CS-R7101 12-Speed Cassette is designed for Shimano's 105 Di2 R7100 group-set and is compatible with both electronic and mechanical group-sets. It offers a wide range of gears (11-34T) and is designed for fast and smooth shifting in various riding conditions. The cassette is also compatible with both 11-speed and 12-speed road freehub bodies.

New tooth profile designed to work with both electronic and mechanical Shimano drivetrains. Tooth profile slightly changed to better accomodate mechanical shifting.

FEATURES:

• For Di2 and Mechanical Shifting Systems
  
• Refined 12-step gear combination provides peak efficiency and accelerating performance for every situation
  
• Compatible with new 12-speed (HG-Spline-L2) and road 11-speed (HG-11) freehub bodies
  
• Compatible with HG 12-speed chain
  
• Nickel plated finish
  
• Series: R7100
  
• Drivetrain Speeds: 12
  
• Cassette Body Type: Shimano HG-Spline-L2
  
• Range: 11-34
  
• Cassette Cogs: 11-12-13-14-15-17-19-21-24-27-30-34
  
• Weight: 361g.
  
• Color: Silver