Silver SP41 Markings. Usually Found In XT & XTR RD's & Cable Sets For Use At The Rear Derailleur. 1x 300mm Length + 1x Sealed End Cap + 1x Sealed Nosed End Cap & Rubber Shield. It has been designed to reduce friction of the inner cable.
The Shimano OT-SP41 Shift Outer Casing is best suited for cyclists upgrading to a Ultegra or shifting-compatible group, especially the rear derailleur, aiming to enhance shifting precision and improve overall performance.