Elevate your AC Sport or AC Performance bike with 4iiii's pro-level power meter crank. The Morse Taper spindle version features military-grade strain gauges that capture real-time force vectors, translating every pedal stroke into actionable data. Perfect for Zwift racing, performance testing, or structured interval trainingthis crank syncs effortlessly with 98% of fitness apps and devices while enduring the toughest sweat sessions.

Features:

• Morse Taper spindle integration for vibration dampening

• 1.5% consistency across 0-2000W range

• Auto-zero calibration during rides

• Tool-free battery compartment access

• Validated by BORA-hansgrohe mechanics

• 20% lighter than competitor models

Compatibility:

• AC Sport, AC Performance (Morse Taper models)