The Shimano Road and MTB Stainless Steel Inner Gear Cable is designed for smooth and lasting shifting performance. Crafted from stainless steel, its precision ground round inner wires ensure low-friction shifting and extended service life due to its anti-corrosion properties. This cable is suitable for front or rear derailleurs and can be cut to the desired length. It is compatible with 4 mm outer casing, such as SIS-SP / SP40 / SP41 / SP51.