Is a special cassette tool required to install Rival 12-speed road cassettes? April 15, 2021 13:35 Updated No. These cassettes require a standard HG-style cassette tool with a 7-8mm spline depth. See the user manual here. Related articles Are special chain tools, chain pliers, or chain whips required to work on Rival eTap AXS drivetrains? Are the frame fit specs for Rival eTap AXS different than my mechanical Rival groupset? Where can I find the frame fit specs? What pad spacer does my Rival eTap AXS brake caliper use? Are special SRAM eTap AXS specific road master link pliers required to remove SRAM eTap AXS PowerLocks? How do I size a chain for a SRAM eTap AXS 2x drivetrain? Comments 0 comments Please sign in to leave a comment.