Features： 1、Galvanized Surface: The surface of the bicycle shift wire core is galvanized, bright and rust proof, strong toughness, not easy to bend. 2、Good Features: High rigidity, strong tensile strength, high temperature resistance, oxidation resistance, spot welding finishing. 3、Applicable Model: Bicycle shift cable housing kit is suitable for conventional mountain bikes, road bikes, folding bicycles, etc. 4、Exquisite Workmanship: Each inner cable is finished by cutting and spot welding to ensure that it does not branch during transportation. 5、Good Performance: Each inner cable keeps smooth when threading the tube and does not damage the inner tube, reliable performance. 6、Package Includes: Bicycle shift wire set includes 2.1meters back wire core + 1.5 meters front wire core, 2 meters black ordinary shift wire tube, 4mm wire tube caps, silver wire core caps, and octagonal O ring. Specification： Item Type: Bicycle Shift Wire Set Material: Stainless Steel Galvanized Wire Core + Plastic Back Wire Core Length: Approx. 2.1m / 6.9ft Front Wire Core Length: Approx. 1.5m / 4.9ft Black Ordinary Shift Wire Tube Length: Approx. 2m / 6.6ft Wire Tube Cap Diameter: Approx. 4mm / 0.16in Color: As Pictures Shown Weight: Approx. 98g / 3.5oz Package List： 1 x Wire Pipe 1 x Front Wire Core 1 x Back Wire Core 10 x Line Pipe Caps 2 x Wire Core Caps 1 x Inner O Ring