And they provide a great service. On one of the occasions Ruby fell over, the blades were out. For a reasonable charge they supplied just the left one I needed in a week or so. Because they are machined from aluminium billet, they snap off rather than bend. MCL also supply replacement laser cut covers at not much more than you pay for OEMs.
For what it's worth, Larry, the founder and inventor of MCL was a keen ST1300 owner/rider.