Left & Right Crank-Arm Strain Gauges for Force Measurement
Pedaling Monitor Force Vector and Efficiency Display when used with Pioneer or Wahoo ELEMNT or ELEMNT BOLT Cycle Computers
Also compatible with Non-Pioneer Ant+ Cycle Computers


12-Point force and force direction measurement - Pioneer has created the first, and only, power meter that measures power output and pedaling stroke efficiency for each individual leg, in real time, so you can analyze and adjust your technique while you ride. At the heart of the Pioneer Power Meter System are two streamlined strain gauge monitors that can detect the slightest tangent and radial force direction as power is applied to the crank arms. This proprietary system detects the amount and the direction of force at 12 different points in each pedaling stroke for each leg.

Monitor force vectors and pedaling efficiency in real time - When used with Pioneer Cycle Computers, Pioneer has created the only Power Meter to measure force and direction of force in 12 locations – or every 30 degrees – while pedaling. When used with a Pioneer Cycle Computer, these measurements are graphically displayed as force vectors. These force vectors allow you to analyze the unique characteristics of your pedal stroke and calculate pedaling efficiency. And you can monitor it all in real-time on a Pioneer Cycle Computer, while you ride.

The industry’s first accurate torque vector measurements - When it comes to measuring torque vectors, there’s nothing approximate about it. Pioneer has designed the only Power Meter to provide precise torque vector readings at 12 points of every pedal stroke. These can be monitored in real-time on a Pioneer Cycle Computer.

Race-tested, rider-perfected - The Pioneer Power Meter is built to perform in the toughest conditions. It was refined over a punishing season of racing through rain, snow, cobbles, mud and the thigh-burning climbs of the world’s most prestigious grand tours. It’s lightweight, fully-integrated design adds just 64 grams to your crank, measures up to 2,150 Watts @120 RPM, and is accurate to within +/- 2%. It can be easily calibrated for varying temperatures and elevations and is available in red and black transmitter caps.

Compatible with ANT+ Cycle Computers - ANT+ is a low-powered (2.4GHz range) wireless communications standard used by most cycle computer brands. The Pioneer Power Meter can easily pair with ANT+ compatible cycle computers and display power measurements that are available on that computer. For the full range of never-been-seen-before data including force vectors, torque vector, and other measurements, it must be paired with the Pioneer Cycle Computer.

Post-ride data like you’ve never seen before - The ultimate training tools. Cyclo-Sphere for PC and supporting Cyclo-Sphere Mobile App let you analyze every moment of every ride. Simply upload your ride data to Cyclo-Sphere to view total power, power balance, force and torque vector charts, pedaling efficiency, heart rate, speed, cadence, distance, altitude, temperature, and much, much more.

Cyclo-Sphere Mobile App provides quick access to your Workout List with a powerful Segment Compare feature that allows you to choose where and when you want to challenge yourself the most. Both Cyclo-Sphere PC and Cyclo-Sphere Mobile App are complimentary with your Pioneer Cycle Computer.


Key Features

Included Crankset Shimano ULTEGRA R8000
Chainring Options Compact / Mid / Standard
12-Point Force Direction Measurement 50-34T / 52-36T / 53-39T
Pioneer Pedaling Monitor Mode For use with Pioneer Cycle Computers
Discrete L/R Zero Calibration Memory Yes
Chainring Exchangeable (Shimano only) Yes
Crank Arm Length Options (mm) 165 / 170 / 172.5 / 175mm - Compact, Mid, & Standard
Left and Right Arm Strain Guages 165 / 170 / 172.5 / 175mm
Dual Accelerometers per Crank Arm Yes
ANT+™ Transmission For use with ANT+ Cycle Computers
Accuracy +/- 2% includes Auto Thermal Compensation Circui

Pioneer Power Mode With Pioneer Cycle Computer

Independent L/R & Total Power  Yes
Independent L/R Force Direction Yes
Independent L/R & Total Pedaling Efficiency Yes
Independent L/R Pedal Smoothness Yes
Work Yes
Independent L/R & Total Power Loss Yes
Independent L/R Torque Yes
Independent L/R Torque Effectivenes Yes
Accumulated Stress Yes

Ant+ Power Mode With Ant+ Computer

Total Power Yes
L/R Power Averages Yes
Torque Effectivenes Yes
Cadence Yes
Intensity Yes
Power watts/kg Yes
L/R Power Balance Yes
Power % of FTP Yes
Pedal Smoothness Yes
Normalized Power Yes
Interval Intensity Yes
Power Zone / Level Yes

After Ride Analysis

Cyclo-Sphere Yes
STRAVA Auto Forward Yes
TrainingPeaks WKO+ Yes
FIT File Converter Yes
TrainingPeaks® Auto Forward Yes


Wide Road-Bike Frame Compatibility Yes
Alternate Arm Magnets x2
LED Mode Indicator Yes
Solid Mount Transmitter Yes
Batteries CR2032 x 2
Weight: Crankset and Sensors 853g
Sensor Dimensions -right (W x H x D) mm 58.3 × 46.1 × 21.3
Operational Temperature Range -10 to 50°C
Accessories Magnets (Patch & Arm type), Optional right transmitter cover (metallic gray), Batteries, User’s Manual
Patch Magnets x2
User Replaceable Batteries Yes
Thin Left Crank Arm Sensor 9mm
Water & Dust Resistance Yes
Battery Operating Time 180 hours
Weight: Sensors only 62g
Sensor Dimensions -left (W x H x D) mm 92.5 × 34.7 × 8.6
Parts and Labor Warranty
2 Years


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