A sealed derailleur kit for maintenance-free super smooth shifting, with enough content to fit out a bike front and rear.Fibrax Pro-formance Sealed Derailleur KitShifty Cable KitKit Contents: 2 slick 1.1mm stainless steel gear inner wires - 2.1m and 1.8m1 length of SP5 outer casing - 2.7m2 clear inner tubes - 2.05m and 1.75m12 ferrules4 Fibrax frame protectors2 wire end covers