SENSAH EMPIRE carbon fiber 2x12-speed road bike shift kit front and rear Derailleur + shift lever +chain Specifications: 100% Brand New Brand: SENSAH Colour: Black Material: aluminum / carbon fiber / rubber Packaging: high-end gift box Weight: 1323g(including packaging) Application: road bike Speed: 2 * 12 speed Chain: KMC chain (12 speed) Tip: The 2X12 transmission can be used with 11-speed road chainrings and 11-speed hubs The package includes: 1 pair Shifters 1 pcs Front Derailleur 1 pcs Rear Derailleur 1 pcs chain