Nexga S1 Spider-Based Power Meter

 

1% power accuracy, laboratory-level measurement accuracy

16-Bit ADC，With high resolution and precision

180-Hour Battery, Focus on Riding，S1PowerMeter.features.longBattery.description

Dual Connectivity，Compatible with all major devices

USB-C Charging，Fast Charge, Easy Connect

 

Ultra-thin body, weighing only 95g*

IPX7 Waterproof，Waterproof and Dustproof

Dynamic Calibration，Full-Range accuracy & consistency

±1% Accuracy Laboratory Grade
Advanced strain gauge technology with rigorous temperature compensation and calibration ensures accurate power data in any environment.

• Temperature Compensation

Automatic temperature compensation maintains accuracy from -10°C to 60°C

• Left/Right Balance

Independent measurement of left and right leg power output to optimize pedaling technique

• Auto Zero

Intelligent auto-zero function ensures data accuracy at the start of every ride

Dynamic Torque Calibration
Every NEXGA S1 undergoes dynamic torque calibration using high-precision torque sensors before leaving the factory, ensuring measurement accuracy and consistency.

• Full Power Range Verification

After calibration, comparative tests are conducted across low, medium, and high power ranges to ensure accurate and consistent data across the entire power spectrum.

• Calibration Report Included

Each product comes with a paper calibration report documenting its unique calibration data, providing verifiable quality assurance.

• Data Traceability

Every device's calibration data is traceable, ensuring reliable quality and making every measurement trustworthy.

Power Meter Calibration Report

Power Comparison Chart

USB-C Charging Port
The NEXGA S1 uses a universal USB Type-C port compatible with mainstream chargers and power banks, making charging flexible and efficient wherever you ride.

• Fast Charging

15 minutes of charging delivers up to 50 hours of runtime

• Full Charge

2 hours to fully charge for up to 180 hours of riding

• IPX7 Connector

Professional-grade waterproof connector, ready for rain or shine

Dual Wireless Connectivity
Bluetooth 4.0 and ANT+ dual protocols ensure seamless pairing with Garmin, Wahoo, Sigma, and mainstream training apps. Sync every ride across multiple devices in real time for unified data management.

• Bluetooth 4.0 & ANT+

Supports both protocols to match different device needs

• Broad Device Support

Works perfectly with Garmin, Wahoo, Sigma bike computers and training apps

• Multi-Endpoint Sync

Ride data syncs to multiple endpoints simultaneously for cross-platform tracking

IPX7 Waterproof, Ready for Any Weather
NEXGA S1 passes strict IPX7 certification, withstanding 1 m submersion for 30 minutes. Tackle storms and mud with confidence while precision sealing protects the internals in any conditions.

• IPX7 Certified

Withstands 1 m water immersion for 30 minutes, tested to international standards

• Built for Harsh Rides

Performs reliably in heavy rain and mud for all-weather confidence

• Precision Sealing

Keeps internal components safe so you can focus on the ride

 

 

Wide Compatibility for Mainstream Frames
Advanced bottom bracket design fits T47, BB386 and other large-diameter standards, covering most modern road and MTB frames. Compact sizing and precise install parameters enable hassle-free mounting without extra adapters.

• ≤57 mm Drive-Side Diameter

Compact profile fits most modern frames across common BB standards

• 90.5–92 mm Post-Install Width

Precisely matches T47, BB386 and other large BB shells with no adapters