Top-of-the-line road cassette with the bulk of the cogs machined in one piece of tool-grade steel for low weight, no cog flex and high durability. Largest cog is aluminum.

FEATURES:

• Stealth Rings between the cogs minimize chain noise
• Hollow steel dome makes for the stiffest gear cluster ever at the lightest weight
• 11 speed cassettes with 11 tooth cogs have the smallest cog located behind the cassette in the packaging

SPECS:

• Cassette Body Type: Shimano/SRAM 11 Speed Road
• Drivetrain Speeds: 11
• Defined Color: Silver
• Cassette Cogs: 11-12-13-14-15-16-17-19-22-25-28
• Weight: 165
• Range: 11-28

• Cassette Cogs: 11-12-13-14-15-17-19-21-24-27-30
  
• Weight: 185
• Range: 11-30