What size and type of tool is required to remove XPLR 1x direct mount chainrings from the crank spider? August 09, 2021 21:59 Updated A T20 Torx tool is required to remove the 12-speed 1x direct mount chainring. Related articles Do the 1x cranksets with direct mount chainrings have a power meter option? Can I use my existing eTap AXS 1x crankset with the XPLR rear derailleur and 10-44T cassette? What mounting interface is the direct mount chainring? Do you need a different offset direct mount chainring for the wide spindle crankset? What size direct mount XPLR chainrings do you offer? Comments 0 comments Article is closed for comments.