Experience the ultimate upgrade with the SRAM Red AXS Power Meter Spider Upgrade w/Chainrings. AXS technology makes monitoring and firmware upgrades effortless, while X-Range gearing technology offers a wider gear range and smoother transitions. The integrated power measurement system delivers accurate readings within +/-1.5%, unaffected by varying climate conditions. Plus, this enhanced design provides improved front shifting performance and reduced weight, thanks to its unique and durable chainring shape. Only compatible with new RED and Force eTap AXS cranks, this upgrade is a must-have for any passionate cyclist.

FEATURES

• AXS enabled for easy monitoring and firmware upgrades
• X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear
• Integrated power measurement
• Power meter is fully integrated into the chainring set for lighter weight
• Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride
• Improved front shifting performance for crisp and accurate front shifts
• Unique chainring shape results in a lighter weight, stiffer, more durable crankset
• Integrated chainring design significantly reduces weight
• 8-bolt direct mount compatibility only to new RED and Force eTap AXS cranks. Not reverse compatible with prior 8-bolt cranks
• 52/39, 54/41 and 56/43 combinations require dual mount SRAM RED eTap AXS front derailleur, included.

Technology

AXS

AXS is SRAM’s new bike component integration system that connects electronic bicycle components and software. The SRAM AXS app allows riders to see battery status, change component behavior, personalize controls, get maintenance reminders, and update firmware.  

Specifications