SRAM XX Eagle T-Type AXS Crank Arm Power Meter Spindle
Best high performance upgrade for serious mountain bikers seeking precise power data.
This power-measuring spindle integrates seamlessly into the drivetrain, offering precise data without adding bulk. It is a set-and-forget solution for riders who want reliable, left-side power tracking that survives the elements and connects effortlessly with modern electronic shifting systems.
$705.00
at
Marblehead Cycle
More XX options
Who it's for
- Mountain bikers seeking a clean aesthetic and durable hardware
- Long-distance riders who prioritize low-maintenance gear for multi-day adventures
- Performance-focused athletes needing consistent metrics to guide their training sessions
Who should skip it
- Data-driven cyclists requiring precise dual-sided power analysis for technical training
- Riders using non-SRAM drivetrains or older Eagle components
- Eco-conscious commuters or tech-savvy riders preferring internal rechargeable batteries
Performance breakdown
Data Precision
Reliable +/-3% accuracy provides consistent metrics for serious training sessions.
Trail Durability
IPX7 waterproofing ensures the electronics survive mud, rain, and stream crossings.
Battery Longevity
Four hundred hours of runtime means you rarely worry about charging.
System Integration
Seamlessly pairs with Flight Attendant and existing SRAM AXS ecosystems.
Weight Efficiency
Adds professional-grade power tracking without compromising the bike's lightweight build.
Installation Ease
Direct spindle replacement simplifies the upgrade process for existing DUB users.
Key Specs
Material
Carbon
Weight
635 grams
Crank Arm Length
175 mm
Drivetrain Speed Compatibility
12-speed
Spindle Interface Type
SRAM DUB
Power Meter Included
Yes
Waterproof Rating
IPX7
Battery Life
400+ hours
Know before you buy
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