Technical specifications:
Material cage: carbon composite / aluminum / stainless steel
Technology: X-Actuation, Cage Lock, Type 3.0 Roller Bearing Clutch, X-Sync
Gears: 12-speed
Cage: long version, rear cage made of aluminum
Shaw rolls: 12 teeth (top) and 14 teeth (bottom) X-Sync
Color: Black
Weight: 276g