If the spider positions the chainring inline with the spider-crank interface, you could see if Fibrelyte will make you a DM chainring. Their chainrings page only lists bolted chainring options, but they're all made to order anyway. Might need to send them the spider if the spline specs aren't published.
If the spider positions the chainring inline with the spider-crank interface, you could see if Fibrelyte will make you a DM chainring. Their chainrings page only lists bolted chainring options, but they're all made to order anyway. Might need to send them the spider if the spline specs aren't published.