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Assioma PRO RS is the lightest road power meter pedal available, with just 124.8g per pedal.
Compatible with Shimano® SPD-SL® cleats, it delivers pro-level performance and over 60 hours of use per charge—no power dropouts.
The power spindle, which safely houses all the important electronic parts and battery, is completely sealed and independent from the pedal body. This so-called “split approach” makes it durable, and extremely easy to maintain.
Its sleek design, with a Q-factor of just +53mm and a stack height of 10.5mm, makes it perfect to improve performance and achieve results on your road training.
The Assioma PRO RS power meter offers ±1% accuracy thanks to the IAV Power System, and the most complete power data reading available with a wealth of advanced metrics. A modular design lets you switch between road and MTB bodies while keeping the same power sensor.
The best power meter pedal to train with precision and ride with confidence.
MAIN FEATURES
• Left pedal with power sensor
• Right pedal with power sensor
• 100% Shimano® SPD-SL® cleat compatibility
• Lightest power pedal – Just 124.8 g per side
• ±1% power accuracy even with oval chainrings
• Rechargeable battery – 60+ hours per charge
• Advanced cycling metrics (PCO included - Platform Center Offset)
• Pedal body in carbon-fibre tech-polymers
- Low stack height (10.5 mm)
- Standard Q-factor (+53mm)
• Modular design – interchangeable pedal bodies (road/MTB)
• Made in Italy
TECH SPECS
• SPD-SL® road power pedals with power meter on both sides
• Weight per power pedal: 124.8 g
• L/R Balance
• Cadence sensor: included, built-in
• Gyroscope: included, built-in
• Power calculation system: IAV (Instantaneous Angular Velocity-based)
• Cycling Dynamics: available
• Data visible via ANT+ or on the Favero Assioma app:
- Power
- Cadence
- L/R Balance
- PCO
- Power Phase (PP)
- Pedal Smoothness (PS)
- Torque Effectiveness (TE)
- Rider Position (no App Favero Assioma)
• Data visible via Bluetooth:
- Power
- Cadence
- L/R Balance
• Oval-chainrings compatible: Yes
• Battery type: rechargeable, lithium-ion
• Battery life: up to 160 hours of battery life per charge
• Radio communication: ANT+, Bluetooth
• Accuracy power measurement: ± 1%
• Thermal compensation: yes
• Waterproofness rating: IP67
• Q-factor: +53mm
• Pedal stack height: 10.5 mm
• Compatible cleats:
•
• Provided cleats (art. 773-20-64)
• Shimano® SM-SH10, SM-SH11 or SM-SH12
• Bike types: road cycling
PACKAGE CONTENT
• Power meter with sensors on both sides
• Two-way charging cable
• 2 Magnetic connectors
• Shimano® compatible SPD-SL® cleats
• 4 Washers
• Greasing tools kit
• Warranty and safety manual
• Welcome flyer
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Who it is for and how to use it
Ideal for
Road cyclist who wants to measure power on both sides
Designed for road bikes and measures power on both sides. Balanced readings help track leg effort with complete data.
Anyone looking for a lightweight pedal structure with a carbon-fibre reinforced technopolymer body
The pedal body in carbon-fibre reinforced technopolymer and the weight of 124.8 g per side make it suitable for those who want a compact system for road use.
Anyone using Tacchette Shimano SPD-SL and wanting simple integration with training data
Compatibility with Tacchette Shimano SPD-SL, Bluetooth and ANT+ connectivity, and battery life of over 60 hours make it suitable for those using multiple data-reading devices.
Use cases
Ideal
Road training with dual-sided power monitoring
It allows power to be read on both sides during road-bike training. It is suitable for those who want complete data and continuous measurement.
Power on both sides · Road bike · Training
Very suitable
Use with a bike computer or app via Bluetooth and ANT+
Bluetooth and ANT+ connectivity allows data to be sent to compatible devices. It is suitable for those who use multiple display systems.
Bluetooth · ANT+ · Pedalling data
Very suitable
Long rides with stable readings and IP67 protection
Battery life of over 60 hours and IP67 waterproofing make it suitable for long rides and demanding weather conditions.
Over 60 hours · IP67 · Long rides
Suitable
Set-up with Shimano SPD-SL cleats
Compatibility with Tacchette Shimano SPD-SL makes it suitable for those using this standard on road bikes.
Tacchette Shimano SPD-SL · Road bike · SPD-SL standard
Who it is for
Experienced road cyclist
- Looks for
- A pedal power meter with comprehensive data, Bluetooth and ANT+ connectivity, and compatibility with Tacchette Shimano SPD-SL.
- Why
- It offers dual-sided measurement, low weight and data reading suitable for technical use.
Athlete focused on training monitoring
- Looks for
- A compact system with high battery life and IP67 protection.
- Why
- It allows continued use of the power meter and data reading even in demanding conditions.
Frequently asked questions
What type of bike is this product designed for?
It is designed for road bikes. The configuration is specific to road use.
Which cleats is it compatible with?
It is compatible with Tacchette Shimano SPD-SL. This allows use with the standard stated in the product sheet.
How much does it weigh?
It weighs 124.8 g per side. This figure indicates a lightweight pedal body for road use.
What type of measurement does it offer?
It offers a power meter on both sides. The reading is useful for monitoring the balance of pedalling effort.
How does it connect to devices?
Connectivity is Bluetooth and ANT+. This allows data to be sent to compatible devices.
Show all (8)
How long does the battery last?
Battery life is over 60 hours per charge. This is suitable for longer rides and training sessions.
Is it suitable for use in the rain?
It has IP67 water resistance. This indicates good protection against dust and water according to the stated standard.
What is the system thickness?
The stated dimension is 10.5 mm. This is a useful value for those looking for a low pedal profile.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
