Checked under my sprocket cover today... what is this?

[limax2]

ooh it fitting wont be a problem - but you have to be able to get a screwdriver in to bend up the tabs - original looks like its tapered at about 45degs
the new one looks much steeper

I wonder if that is why there are two gaps in the rubber on one side of the sprocket. I can’t think of any other reason for the gaps.