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*A member of our team will contact you after purchase to coordinate your delivery and installation (if applicable).

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SALE
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4iiii POWER SENSOR CRANK KIT (THREADED AC & IC CLASSIC)

$709.00

$709.000% off

Quantity

X+

Retrofit legacy AC and IC Classic bikes with threaded spindles using this precision power meter crank. The 4iiii system turns any ride into a data-driven session, tracking left/right power balance, cadence, and normalized power (NP). Its low-profile design preserves original bike aesthetics while adding cutting-edge biometrics ideal for studios upgrading older fleets without compromising on accuracy.

Features:

  • Standard threaded spindle compatibility (9/16")

  • Real-time torque efficiency measurements

  • Crash-resistant aluminum housing

  • 5Hz data transmission rate

  • Firmware updatable via 4iiii app

  • Includes pre-installed chainring bolts

Compatibility:

  • Threaded AC models, IC Classic