OPTIO STAINLESS STEEL (GEAR WIRE) - The Legion Optio inner-wire is stretched after the “roping” process, this is to ensure no further stretching takes place during use, meaning 1-time set-up. - Stainless Steel: 19x Strands, Increased environmental protection, Reduced weight. - Slick. - Works for MTB/Road. - Length: 2100mm.