SRAM Quarq Power Meter Spider AXS | SRAM XX / XX SLSRAM Quarq Power Meter Spider AXS SRAM XX XX SL If you always want to get the best out of yourself, want to push the limits of your performance and always demand new peak performance from yourself, then you need a power meter that works uncompromisingly even under the most adverse conditions. Thanks to the easy to change CR2032 battery, the power meter has energy for up to 200 hours of driving time. So he shouldn't run out of breath. With the SRAM AXS