sram schaltwerk force axs iridescent 12 fach medium kafig max 36t ohne batterieRoad Race. CX. Gravel. Coffee Rides. This rear derailleur really does it all and looks good doing it. The single cage length works with any cassette size from 10 28 to 10 36, in 1x or 2x configurations. Shifting is fast and precise, and the Orbit liquid damper keeps the chain under control whether the obstacle is a pothole or a root. And the decor is just right to remind you that you've got the coolest all radio drivetrain on the market. Orbit chain