Rotor powermeters

Rotor INpower, INspider (Aldhu Carbon arms), 2INpower SL: the 2025 range of products

Rotor Power Meters for Cranksets

Find the Rotor power meter that meets your specific needs and optimize your cycling performance. Our range includes three models, each suited to a specific use:

1. Inpower – Simplicity and Reliability

Usage: Ideal for cyclists new to power measurement.

Features: Sensor located in the left crank arm, providing reliable power measurement.

Compatibility: Forged aluminum crank arm, compatible with a wide range of chainrings:

  • Double chainrings: 46/36, 50/34, 52/36, 53/39, 54/39, 54/42, 55/42, 56/44, 58/44.
  • Micro compact chainrings: 46/30 and 48/32 for riders seeking easier cadence on climbs.
  • Rotor single chainrings: Ideal for varied terrain or competitive use.

Axle: Available only in 30 mm, providing better rigidity.

Key Benefits: Lightweight, easy to install, and sufficiently accurate for beginners in power measurement.

2. Inspider – Versatility and Adaptability

Usage: For versatile cyclists looking for a power meter that is easy to install and use across different terrains.

Features: Measures power at the spider level, offering a combined analysis of both legs.

Compatibility: Available with multiple types of crank arms:

  • Vegast Inspider: Forged aluminum, robust and affordable.
  • Aldhu Inspider: CNC-machined aluminum, lighter and more refined.
  • Aldhu Carbon Inspider: Carbon crank arms for maximum weight savings.

Available Chainrings:

  • Double chainrings: 46/36, 50/34, 52/36, 53/39, 54/39, 54/42, 55/42, 56/44, 58/44.
  • Rotor single chainrings: Perfect for cyclists looking to simplify their drivetrain.

Available Axles:

  • 24 mm: For broader compatibility with classic bikes (Vegast and Aldhu).
  • 30 mm: Recommended for its rigidity and weight savings (75 g lighter compared to 24 mm).

Key Benefits: Great flexibility, compatible with road and MTB, excellent value for money.

3. 2INpower – Precision and Advanced Technology

Usage: Designed for cyclists seeking maximum precision in power measurement.

Features: Dual-sided power measurement with strain gauges on both sides, providing separate analysis for each leg.

Compatibility: Available in the 2INpower SL version, the reference for demanding athletes.

Available Chainrings:

  • Double chainrings: 46/36, 50/34, 52/36, 53/39, 54/39, 54/42, 55/42, 56/44, 58/44.
  • Micro compact chainrings: 46/30 and 48/32 for smoother pedaling on climbs.
  • Rotor single chainrings: Ideal for triathlons and time trials.

Axle: Only available in 30 mm, for optimal rigidity.

Key Benefits: Ultra-precise measurement, perfect for intense training and competitions.

How to Choose Your Power Meter?

  • Desired precision: Inpower (basic), Inspider (combined measurement), 2INpower (complete analysis).
  • Weight and axle compatibility: 30 mm axle recommended for better rigidity and weight reduction.
  • Discipline: Inspider and 2INpower for road, MTB, triathlon; Inpower for everyday use.

Our Recommendation:

Already equipped with a Rotor crankset? Consider the Inspider for its compatibility with many configurations.

Need maximum performance? The 2INpower SL is the ideal solution for precise and complete power analysis.

PowerMeters: Rotor Inspider, Inpower, and 2Inpower | velo-perso.com

Subcategories

  • INspider

    Aldhu Carbon Inspider 12s Shimano

    Inspider – The Versatile Power Meter Spider for Cyclists

    Inspider is a power meter spider that fits directly onto your Rotor crankset, easily replacing a 4-arm spider you may already own. Designed to adapt to different disciplines, the Inspider comes in two versions:

    • Inspider Road: BCD 110 mm, ideal for road cycling.
    • Inspider MTB: BCD 100 mm single chainring, perfect for mountain biking enthusiasts.

    Inspider Compatibility and Installation

    Easy installation on Rotor axles, suitable for both road and MTB use.

    For optimal performance, it is crucial to match the spider with the correct axle:

    • Inspider Road with a road axle.
    • Inspider MTB with an MTB axle.

    This ensures the best power transfer and the right stiffness for each discipline.

    Complete Configurable Cranksets to Simplify Your Choice

    To make your selection easier, we offer complete Inspider cranksets built around various Rotor crank arms:

    Road:

    • Vegast: Forged aluminum crank arms, robust and affordable.
    • Aldhu: CNC-machined aluminum, lighter and more precise.
    • Aldhu Carbon: Carbon crank arms for maximum weight reduction.

    MTB:

    • Kapic: Designed for rough terrains, with aluminum construction for maximum durability.
    • Kapic Carbon: Lightweight carbon version, perfect for competitive riders looking to save weight.

    Customize Your Inspider Crankset

    • Crank arm length: Choose from multiple options for a perfect fit.
    • Chainring type: Opt for round or oval chainrings depending on your pedaling preferences.
    • Axle type: Available in 24 mm and 30 mm for Vegast and Aldhu models.
    • Various tooth options: Customize the tooth count based on your riding style, whether you're seeking speed on the road or traction on climbs.

    Why Choose the Inspider?

    • Proven accuracy: Inspider delivers recognized power measurement precision, equivalent to the 2INpower and other leading power meters.
    • Combined measurement: Total power is measured at the spider level, making it ideal for an overall view of your effort.
    • Versatility: Suitable for both road and MTB, with extensive compatibility for different crankset configurations.

    Cyclists Love the Inspider for:

    • Its adaptability: Compatible with numerous crankset setups, from road to MTB.
    • Its durability: Built to withstand demanding conditions, whether on long road rides or technical trails.
    • Its advanced connectivity: Compatible with Bluetooth and ANT+ for real-time performance tracking.

    Inspider: A Reference for All Cyclists

    Whether you're looking to improve your race performance, optimize your pedaling technique, or precisely track your training sessions, the Inspider is the ideal choice for demanding cyclists. Order your Inspider power meter now and enjoy fast shipping and personalized technical support to help you choose the perfect setup.

    https://www.youtube.com/watch?v=3Y9EY2hBj5k

  • INpower
    Inpower V3 left side with 30mm axle

    Inpower: Affordable and High-Performance Power Meter Crankset for Cyclists

    Discover the Inpower range, the ideal power meter crankset for cyclists looking to track their progress at an affordable price. Available in a sleek gloss finish (Inpower V3) and offered in several versions, Inpower includes aero options (54/42, 55/42, 56/44, and 58/44), classic versions (50/34, 52/36, 53/39), as well as micro compact options (46/30 and 48/32) for maximum versatility.

    30 mm Spindle and Universal Compatibility

    At the heart of Inpower is its 30 mm spindle, ensuring optimal stiffness for efficient power transfer. With Rotor bottom brackets sold separately, it is compatible with all frame types, including BB30, PF30, BSA, and T47 systems. Its direct mount system makes installation and chainring changes quick and easy, simplifying your road bike setup.

    A Precise and Economical 2-in-1 Power Meter

    Inpower integrates a power meter directly into the spindle, providing precise left-leg power measurement. Powered by a single AA battery with a 300-hour battery life, it ensures long training sessions without interruption. Available in crank lengths of 165 mm, 170 mm, 172.5 mm, and 175 mm, Inpower adapts to every rider for optimal performance.

    Advanced Connectivity and Analysis with the Rotor App

    Compatible with the Rotor app, Inpower easily connects to a GPS or smartphone via ANT+™ and Bluetooth® Smart. This allows you to track your power and cadence data in real time and analyze your performance curves. It’s the perfect crankset for road cyclists and time trialists (TT) looking to explore power measurement without breaking the bank.

    Inpower: The Ideal Entry Point for Power Measurement in Cycling

    With a starting price below 500€ (without chainrings), Inpower offers a complete and accessible solution for improving your performance. If Inpower were to be compared to a reference model, it would be positioned within the Vegast range, known for its excellent value for money. Enjoy a robust and lightweight crankset, crafted from high-quality aluminum, to achieve your cycling goals.

  • 2INpower

    2INpower SL: box content

    2INpower SL – Precision for Demanding Cyclists

    Discover the 2INpower SL, the ideal choice for athletes seeking maximum precision in power measurement. This latest generation power meter, with its dual-sided power measurement, gives you detailed insights into each pedal stroke, helping you optimize your performance.

    Technical Features of the 2INpower SL:

    Dual power measurement: Separate analysis of power from each leg through 4 strain gauge pairs, offering exceptional data accuracy.

    Crank arms: Made of CNC-machined aluminum, offering optimal balance between weight and rigidity.

    30 mm Axle: Compatible with Rotor bottom brackets in steel and ceramic, ensuring direct and reliable power transmission.

    Internal rechargeable battery: Long-lasting and easy to recharge, for continuous tracking of your training.

    Compatibility and Available Versions:

    Different versions to suit your practice:

    • Classic 12v: Ideal for versatile use.
    • Aero 12v: Designed for speed enthusiasts and competitors, with an optimized aerodynamic design.
    • Semi Aero 12v: A perfect compromise between performance and versatility.
    • Spidering Version: Simplify your drivetrain with a direct mount setup.

    Chainring Options:

    • Double chainrings: 46/36, 50/34, 52/36, 53/39, 54/39, 54/42, 55/42, 56/44, 58/44.
    • Micro compact: Adapt your 2INpower for challenging climbs with options like 46/30 and 48/32.
    • Rotor single chainrings: Perfect for triathlons and time trials.

    Why Choose the 2INpower SL?

    • Detailed analysis of each leg: Optimize your power balance and improve your technique.
    • Lightweight and Performance: The SL version is lighter than the classic model, giving you a competitive edge.
    • Reliability and Durability: With internal strain gauges and a 30 mm axle, the 2INpower SL is built to last.

    2INpower Classic – A Final Series Option

    The 2INpower Classic is still available in the 175 mm version, making it an affordable option for those seeking a reliable power meter without the lightweight benefits of the SL model.

    This version is perfect for cyclists looking for a proven solution that offers dependable performance.

    Note: The 2INpower Classic is a final series product, only available in 175 mm crank length.

    Accessories Available:

    Find all the accessories for 2INpower and 2INpower SL, including compatible bottom brackets, installation tools, and chainring options to configure your crankset to your specific needs.

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