The Assioma PRO RS 1 is the lightest road power meter pedal available, weighing just 123.5 g per side.
Compatible with Shimano® SPD-SL® cleats, it delivers pro-level performance with over 60 hours of use per charge—no power dropouts.
The power spindle—completely sealed and independent from the pedal body—safely houses all electronic components and the rechargeable battery. This split approach enhances durability and makes maintenance extremely easy.
With a sleek design, a q-factor of +53 mm, and a stack height of just 10.5 mm, the Assioma PRO RS 1 is engineered to improve efficiency, enhance aerodynamics, and optimize road performance.
Thanks to the IAV Power System, the Assioma PRO RS power meter ensures ±1% power accuracy, even with oval chainrings. It also offers the most complete power data set available, including a wide range of advanced cycling metrics such as Platform Center Offset (PCO).
The modular design allows you to easily switch between road and MTB pedal bodies, while keeping the same power sensor—making it a versatile choice for multi-discipline cyclists.
- Left pedal with integrated power sensor
- Right pedal without power sensor
- 100% compatible with Shimano® SPD-SL® cleats
- Just 123.5 g per side – lightest power pedal on the market
- ±1% power accuracy, including use with oval chainrings
- 60+ hours of battery life per charge
- Rechargeable lithium battery with magnetic USB charging
- Advanced cycling metrics, including Platform Center Offset (PCO)
- Pedal body in carbon-fiber reinforced tech-polymer
Stack height: 10.5 mm
Q-factor: +53 mm
- Fully sealed power spindle, independent from the pedal body
- Modular design – interchangeable pedal bodies (road/MTB)
- Made in Italy
- Type: SPD-SL® road power pedals with power meter on the left side only
- Weight:
Left pedal (with power sensor): 123.5 g
Right pedal (without sensor): 122.5 g
- Cadence sensor: Included, built-in
- Gyroscope: Included, built-in
- Power calculation: IAV (Instantaneous Angular Velocity-based)
- Cycling Dynamics: Available
- ANT+ / Favero Assioma App metrics:
Power
Cadence
Platform Center Offset (PCO)
Power Phase (PP)
Pedal Smoothness (PS)
Torque Effectiveness (TE)
Rider Position (not visible in Assioma App)
- Bluetooth metrics:
Power
Cadence
- Oval chainring compatible: Yes
- Battery: Rechargeable lithium-ion
- Battery life: Minimum 60 hours per charge
- Communication protocols: ANT+, Bluetooth
- Accuracy: ±1%
- Thermal compensation: Yes
- Waterproof rating: IP67
- Q-factor: +53 mm
- Pedal stack height: 10.5 mm
- Compatible cleats:
Included cleats (art. 773-20-64)
Shimano® SM-SH10, SM-SH11, SM-SH12
- Bike type: Road cycling
- Warranty: 2 years
1x Assioma PRO RS left pedal with power sensor
1x Right pedal (without sensor)
1x Two-way USB charging cable
1x Magnetic charging connector
1x Pair of Shimano® SPD-SL® compatible cleats
4x Washers
1x Greasing tool kit
1x Warranty and safety manual
1x Welcome flyer
Yes, it is 100% compatible with Shimano® SPD-SL® cleats, including SM-SH10, SM-SH11, and SM-SH12. A compatible pair of cleats is also included in the package.
No. The PRO RS 1 is a single-sided power meter. It measures power on the left pedal only and doubles the value to estimate total power. For dual-sided measurement, see the Assioma PRO RS Duo version.
Yes. Thanks to the IAV Power System, the Assioma PRO RS 1 maintains ±1% accuracy, even when using oval chainrings.
No. The Assioma PRO RS 1 is designed for road cycling only and is not suitable for MTB use. However, the modular spindle design allows switching to compatible MTB pedal bodies (sold separately).
Via ANT+ or the Favero Assioma App, you can see:
Power
Cadence
Platform Center Offset (PCO)
Power Phase (PP)
Pedal Smoothness (PS)
Torque Effectiveness (TE)
Rider Position (only via third-party apps)
Via Bluetooth:
Power
Cadence
The integrated rechargeable lithium battery offers over 60 hours of usage per charge. Charging is simple with the included magnetic USB cable.
Yes. The Assioma PRO RS 1 is rated IP67 waterproof, making it resistant to rain, splashes, and dust.
Not with the PRO RS 1 model. To use dual-sided power measurement, you will need to purchase the Assioma PRO RS Duo, which includes power sensors on both pedals.
Yes. All Assioma power meters include a 2-year manufacturer warranty.
Yes. Like all Favero products, the Assioma PRO RS 1 is engineered, manufactured, and tested in Italy, ensuring top-tier quality and precision.
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