The Yoshimura Swing Arm Boss Caps cover the exposed boss mounts on your swingarm when you fit a tail tidy kit. You use them to close off the unused mounting points through a machined design that fits securely into the original boss recesses.Discover the key features of these caps:CNC-Machined Aluminium Construction: Produced from precision-cut aluminium using CNC machining, this feature gives you a consistent fit that aligns accurately with the swingarm s original boss dimensions, helping you protect the exposed mounts from dirt and moisture while leaving you with a clean and uniform finish.Model-Specific Boss Geometry: Designed around the exact geometry of the swingarm mounts used with Yoshimura s tail tidy kits, this feature ensures that you seat each cap correctly into the recess, helping you avoid gaps and movement while creating a stable closure that supports long-term durability.Anodised Surface Layer: Formed through an electrolytic anodising process, this surface treatment creat