Shimano's polymer coating looks like a series of tubes wrapped around the cable. This means less surface area rubbing the internal housing liner, and it holds grease longer. The polymer-coated inner cable reduces the sliding resistance to achieve lighter and quicker operation Shimanos most advanced cable and housing set. Designed for ultimate performance Details: Cable length (front): 1800mm Cable length (rear): 2100mm Housing length (front/rear): 3300mm Housing length(rear): 2000mm Cable diameter: 1.2mm Housing diameter: 4mm Cable/Housing type: Shifter Cable head type: Shimano/SRAM Material: Stainless Steel Includes cable, housing, end caps, ferrules and rubber shield Compatibility: The Shimano Polymer Coated Derailleur Cable & Housing Set is compatible with the following: Shimano and SRAM MTB drivetrains