- High-Performance Material: This derailleur cable features a three-layer construction: a durable double PVC outer layer for protection, a heated alloy steel bunch for strength, and a PETT inner pipe for temperature resistance. It delivers rapid and sensitive performance even under intense heat conditions. - Customizable Length: The package includes 4mm diameter shift cable housing measuring 2000mm, along with a 1550mm front inner derailleur cable and a 2100mm rear inner cable. This allows you to easily customize the length of your shift cables to fit your bike perfectly. - Versatile Compatibility: This derailleur cable is designed to work with both Shimano and SRAM systems, making it suitable for various applications including BMX, road bikes, mountain bikes, and folding bikes. - Comprehensive Package: The kit contains everything you need for a complete installation: 1 piece of 2m shift housing cable, 2 shift cables (1.55m for front, 2.1m for rear), 10 housing end caps, 4 S-buckles, 4 cable end crimps, and 4 isolation protection clips. Use Scenarios: 1. Ideal for bike enthusiasts looking to replace or upgrade their derailleur cables for optimal shifting performance on long rides or competitive events. 2. Perfect for DIY bike mechanics who want to customize their bike setup, ensuring that the cable lengths are suited to their specific frame geometry. 3. Suitable for maintaining and repairing BMX or mountain bikes that are frequently subjected to rigorous riding conditions, ensuring reliable gear shifts. This derailleur cable set combines functionality, compatibility, and quality materials, making it a valuable addition to any cyclist's toolkit.