It's the soul of the new 11S Record™ transmission!
Carbon fiber outer plate and cage plate.
Upper and lower aluminum bodies are black, giving this shifting system - preferred by pros - a more aggressive look.
upper to lower pulley-axle: 55 mm - composite outer plate -
parallelogram with 11s geometry - black anodized forged aluminium upper and lower body - metal-carbon cage - lightened special rubber pulleys - pulley movement with ceramic ball bushings.