Top of the range MTB/road shifting kit. They provide better performance and style to any bike with a derailleur and rear derailleur. The latest LEX-SL bovden is 20% lighter than the standard L3 Lubricant waterproof system optimizes system function Pro Polished Nano technology polished, tension-free cables reduce friction and increase efficiency Kit includes all end caps, for both cables and bovdens, and frame protection Bovden design: LEX-SL Outside diameter: 4.0mm Length: 3200mm Cable design: STS-PS Compatibility: SRAM ® /Shimano ® Road and Mountain Front cable length: 2300mm Rear cable length: 2800mm