Shimano SIS-SP Shift Outer Casing – 5mm – Silver Most current shift cabling is 4mm dont miss out on this retro 5mm silver fit for your cabling needs. Get that tighter fit on your older componentry, when its gone its gone… Brand Shimano Color Silver Size 5mm Feature Description Diameter 5mm Color Silver Lubrication Internally lubricated with low-friction silicon grease Construction Specialized process for axial stiffness, ensuring accurate and quick shifting Lining Polymer sheath for smooth inner wire operation Compatibility Fits with 6mm SIS SP outer caps and 1.2mm inner wires