Jagwire Pro Shift kits deliver enhanced performance and style. Pro level polished cables used with Slick-Lube liners dramatically reduce friction, giving you improved shifting precision and long-lasting performance. And with all needed parts included for both road and mountain systems, our Pro Shift kits are quick and easy to install.Features:- Pro level polished cables combined with Slick-Lube liners offer enhanced shifting precision and long-lasting performance- All parts needed for a complete shift cable/housing install on either road or mountain bikes are included- Includes enough housing and end caps for nearly any cable routing type- A performance enhancement above standard OEM cables and housing- Pro Shift kits are available in 10 colors and finishesTechnology:Linear Strand, Lubricated:- Linear strands of steel are used to encircle the Slick-Lube Liner creating a compressionless ring. This delivers responsive, precise, crisp performance necessary in shift applications.STS-PS:- STS-PS - pre-stretched, polished, slick stainless steel spiral-bound cablesPro Polished Slick Stainless:- Slick stainless cables undergo a polishing process to further remove imperfections. This creates a smoother surface with lower friction than PTFE-coated cables. With no coating, these are highly durable and compatible with all performance housings and lubricants. Typically used on high-end bikes, by riders wanting improved performance.