SRAM's Red AXS power meter still operates to the same +/- 1.5% accuracy rating, but has dumped 29 grams over the previous generation thanks to a lighter-weight crank arm. Paul Kantor, product ...
SRAM sells the XPLR crank without a power meter or with a power meter ... brake levers to its less expensive Force, Rival, and, perhaps, Apex AXS groups.