2025 Sram RED AXS Power Meter - E1

It's the best tool to help you reach your best. The choice of our top professionals, our lightest, stiffest, and most accurate integrated power meter and chainring combo just got lighter with a new carbon crankarm construction. The SRAM power meter is accurate to +/-1.5% and isn't affected by temperature changes, and the consistent 13-tooth gap on the rings ensures fast and reliable shifting. Not just unbeatable on performance, our integrated rings are also incredibly long-lasting. Plus, we're offering more crankarm lengths than ever before to ensure this crank works for you.

Features

• 29 g lighter than previous generation
• Power meter is fully integrated into the chainring for lighter weight
• Power readings are accurate within +/-1.5% and aren't affected by climate conditions during a ride
• Measures right and left leg power balance
• X-Range gearing technology gives you more range and a smoother gear progression, so you're always in the right gear
• Crisp and accurate front shifts
• DUB bottom bracket adds durability and simplicity
• 50/37T, 48/35T and 46/33T chainring combos available
• Available in 160, 165, 167.5, 170, 172.5, and 175 mm lengths

Technical Features

Eagle

Eagle technology represents our newest 1x drivetrain technology. Eagle is a lighter, simpler, more durable, and easier to use drivetrain. Eagle features all-new 1x components, engineered for even greater durability and performance while maintaining a significant weight advantage over other drivetrain solutions. Eagle technology also provides an expanded gear range of 520%, which is equal to 2x11 drivetrains.

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.

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