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