Optimized gear combination and gear ratio
Rhythm step gear progression
Optimal balance of lightweight and durability
Combination of aluminum (40T) and steel gears
11-46T only compatible with 1x11-speed drivetrain
Mid Cage (GS) rear derailleur works with 11-46
11 Speed
Ultra-Light Bike Cassette for 11 Speed and 12 Speed, 11-28T/11-32T/11-34T/11-36T Compatible with Shimano SRAM HG Freehub,High Efficiency Drivetrain Upgrade