ZRACE Unchained Pro Road Crankset with Power Meter

The ZRACE UNCHAINED PRO Power Meter Crankset is the ultimate drivetrain upgrade for competitive cyclists. Built on the foundation of the original UNCHAINED crankset, this pro-level system integrates an ultra-light carbon crankset with high-precision dual-sided power measurement from ARCRAYO. Featuring T800/T1000 carbon construction, it delivers a category-leading weight of just 330g ±5g, exceptional stiffness, and robust power data—optimized for peak race-day performance.

• Power meter by ZRACE x ARCRAYO (±1.5% accuracy)
• Aerospace-grade T800/T1000 carbon fiber arms
• Available in 165mm and 170mm crank lengths
• Chainring options: 54-40T, 52-36T, 50-34T
• Full ANT+ & Bluetooth compatibility
• Real-time temperature compensation and automatic calibration

🔹 Crankset

• Brand: ZRACE
• Model: UNCHAINED PRO
• Material: T800/T1000 carbon with internal rib-reinforcement
• Crank Lengths: 165mm / 170mm
• Axle Length: 94mm
• Bottom Bracket Compatibility: DUB 29mm
• Q-Factor: 149mm
• Chainring Interface: 4-bolt BCD110
• Crank Weight: 330g ±5g
• Chainring Weights:
  • 54-40T: 195g
  • 52-36T: 176g
  • 50-34T: 161g

🔹 Power Meter

• Brand: ZRACE x ARCRAYO
• Measurement Accuracy: ±1.5%
• Power Range: 0–2200W
• Cadence Range: 30–180 RPM
• Data Metrics: Power, cadence, left/right balance, pedal smoothness
• Battery Life: 260 hours
• Charging: USB magnetic charging
• Connectivity: ANT+, Bluetooth
• Calibration: Auto, Bluetooth, or via head unit
• Protection: IP68 waterproof
• Weight: 109g
• Temperature Compensation: Real-time
• Supported Devices: Garmin, Wahoo, CYCPLUS, Giant, and others
• Warranty: 30 months (excluding external damage)

🔹 Why Choose This Crankset?

The UNCHAINED PRO offers an ideal balance of minimal weight, maximum power transfer, and integrated power data. With precise carbon engineering and a robust power system, it’s engineered for elite-level road racing and time trials.

🔹 What’s Included in the Box?

• ZRACE UNCHAINED PRO carbon crank arms (165mm or 170mm)
• ARCRAYO integrated power meter module
• Chainring (choice of 54-40T, 52-36T, 50-34T, 44T, 42T, or 40T)
• USB magnetic charging cable
• User manual & warranty card

Upgrade your race machine—get the ZRACE UNCHAINED PRO Crankset with Power Meter now and power every pedal stroke with precision.