Can you use 46/33T and 48/35T chainrings on Rival 43/30T Wide cranks? No. Rival 12-speed 2x cranksets have an integrated non-removable spider that will not allow for a change to the bolt circle diameter of the larger chainrings. See the AXS compatibility maps on the SRAM Service site to learn more. Related articles What chainring size options do you offer for Rival eTap AXS? Is Rival eTap AXS compatible with SRAM RED or Force eTap AXS parts? Are Rival 43/30T and 1x wide cranksets compatible with the same bottom brackets as SRAM’s other DUB road cranksets? Are oval 2x chainrings compatible with Rival eTap AXS cranksets? What 2x chainring options are compatible with the Force eTap AXS 36t-max rear derailleur?