Concentric housing that includes aramid fiber-wrapped aluminum/steel linear wires for the best combination of strength and low weightInner Nano Cable wires are treated with a PTFE coating that reduces friction and boosts braking performanceAnodized aluminum Kollars ferrules further reduce cable dragEach cable kit includes 79 inches of Concentric Linear housing, a black PTFE-coated Nano Cable, 4 Kollars ferrules and 2 alloy cable end capsFront or Rear2000mm1.5mmAlloyBlueBMX/MTBUPC/EAN/GTIN: 639266088929