Alloy sprocket guard (shark fin).
Anodised black.
Supplied with M6 screws & washers. (May require holes to be drilled and tapped in the swing arm).
Right hand version sits further to the outside of the swingarm (most popular) 
Left hand version sits closer to the sprocket.
Both are designed to fit on the left hand side of the bike though.

Product Code:

SPG1R:  Right hand. Anodised black
SPG1L:  Left hand. Anodised black