SENSAH EMPIRE 2x12-Speed Shifter kit Front &Rear Derailleur FOR Road Bike Black
1 pcs Front Derailleur. 1 pcs Rear Derailleur. Colour: Black. Speed: 2 12 speed. we will reply to you quickly and try our best to serve you. Chain: KMC chain (12 speed). Flywheel:11-34T flywheel (12 speed）. ).