With the growing popularity of double chainrings, lots of people are trying to convert existing triples to doubles. Past XTR cranks present some particular problems with this conversion. Kcnc has an elegant light solution that allows you to remove the large ring from your setup and use just the inner and middle to produce a well spaced double. The kit includes female bolts machined into exact fitting rectangle shapes to replace the outer ring on the spider. It also includes male chainring bolts for both inner and middle spider in matching anodized aluminum as well as the spacers that are required.