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4Iiii Innovations Left Crankarm with Powermeter Precision 3 + Ultegra R8000 - 170mm
Product available in 10 working days.
All images are inserted for illustrative purposes. The products are subject to changes.
Contact us for more information, details and availability.
421572605
€500.00
€450.00
Save 10%
VAT included
You save €50.00 (10%) on the manufacturer's recommended price
Price history
- Today's price
- €450.00
- Lowest price of the last 30 days
- €450.00
- Manufacturer's recommended price
- €500.00 (10% less)
The price has not been reduced in the last 30 days. The recommended price is set by the manufacturer and is shown for reference only.
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Who it is for and how to use it
Ideal for
Road cyclists who want to measure power on the left crank arm
Designed for riders using Shimano in road cycling who need a left-side Powermeter. The 170 mm format makes it suitable for those who want power measurement integration without changing the left-side setup.
Professionals and amateurs training power with precise data
Suitable for users who want a power meter with +/-1% accuracy and battery life of up to 800 hours. It is intended for structured training and watt monitoring.
Users looking for a compact Powermeter for continuous use
Designed for those who prefer a small, lightweight component with Apple Find My support. The setup is oriented towards daily use and repeated road sessions.
Use cases
Ideal
Road training with power control
Measures power on the left crank arm during road rides. The +/-1% accuracy helps maintain consistent data readings in structured sessions.
Strada · Powermeter · +/-1%
Very suitable
Long and continuous sessions
Battery life of up to 800 hours reduces the need for frequent recharging. It is useful for riders who pedal regularly and want uninterrupted use.
800 ore · Batteria · Uso continuativo
Very suitable
Integration on a Shimano drivetrain
Shimano compatibility makes it suitable for setups already based on this standard. The 170 mm format fits the configuration specified in the product sheet.
Shimano · 170 mm · Pedivella sinistra
Suitable
Component tracking
Support for Apple Find My adds a useful retrieval function for the component. It is a practical feature for users managing multiple rides and multiple bikes.
Apple Find My · Tracking · Compatibilità
Who it is for
Data-oriented experienced cyclist
- Looks for
- A precise Powermeter, compatible with Shimano and suitable for road use.
- Why
- It offers +/-1% accuracy and battery life of up to 800 hours, with a setup designed for training and performance control.
Amateur cyclist who wants to monitor progress
- Looks for
- A power meter that is easy to integrate into the existing setup.
- Why
- The left-side Powermeter in 170 mm format is designed for those who want reliable power data without changing the road-specific intended use.
Frequently asked questions
Which side does this component measure power on?
It is a left crank arm Powermeter. Measurement therefore takes place on the left side of the drivetrain.
What compatibility is it specified for?
The specified compatibility is Shimano. This makes it suitable for configurations using this standard.
What is the crank arm size?
The stated size is 170 mm. This is the figure to check against the bike configuration.
What type of use is it designed for?
The intended use is Road. It is therefore geared towards road bikes and training on tarmac.
What user level does it cover?
The product sheet lists it for professionals and amateur cyclists. It is therefore suitable both for users working with data and for those who want to monitor training.
Show all (6)
What is the product code?
The stated code is RMS-STK0526-301026. This is the reference useful for identifying the model exactly.
Information prepared by the BSA team with the support of AI, based on the manufacturer's specifications.
