By using the new SHIMANO MICRO SPLINE cassette body and the HYPERGLIDE+ tooth profile, these cassettes deliver top-level shifting performance.

• BENEFIT
  High-level shifting performance provides the confidence to enjoy any route
  
  
• FEATURE
  Pedal smoothly without breaking rhythm during gear changes
  
  
• TECHNOLOGY
  HYPERGLIDE+
  MICRO SPLINE
  BEAM SPIDER construction
  
  
• FEATURE
  The lighter and stiffer construction of the cassette sprockets reduces inertia and increases acceleration.
  10T sprocket made possible by the new FREEHUB body design
  TECHNOLOGY
  
  
• BENEFIT
  Installation of a lighter transmission
  12-speed transmission with a wide range of gears and close spacing

Progression:
10-12-14-16-18-21-24-28-32-36-40-45T