Spiders for SRAM XX1 76mm BCD Chainrings

In my mind, these sorts of products are only a stopgap. Their usefulness will be relatively short lived. After other major manufacturers see the need and start to produce XX1 style chainrings, these products will be expensive paperweights. Why purchase a conversion spider and a separate OEM XX1 chainring when you can just buy an XX1 style chainring that fits your current crankset without an adapter?

Anyways, for now, North Shore Billet has a 76mm BCD spider for $70 that you can use to mount an OEM XX1 chainring.

According to their website:

The NSB 1×11 Spider replaces the removable chain ring spider so that you can run a SRAM XX1 chain ring on Truvativ X0, X9, S2210, and S1400 cranks. There are no mounting holes for the granny ring and the single ring’s position is designed to give a better chain line throughout the entire gear range. The chain ring tabs accept an optional NSB rock ring for All Mountain or Enduro riding.