CYC X1 Pro Gen 4 – Barebones (Motor + Controller)

Overview The CYC X1 Pro Gen 4 Barebones kit is the core of CYC's most powerful mid-drive system  the Gen 4 motor paired with the all-new X12 controller. Built for extreme power applications, off-road enduro builds, and heavy-duty utility use, this is strictly for advanced builders who supply their own peripherals.

Power & Performance

• Continuous Power: 5000W
• Peak Power: 6500W
• Peak Torque: 280 N·m at the crank
• Voltage Compatibility: 36V – 72V (X12 controller supports up to 84V input)
• Controller: X12 — 120A battery input, 180A phase current continuous; doubles the capacity of the Gen 3 X6 controller
• Sensor System: Advanced torque & cadence sensing for natural pedal assist and full throttle capability
• Programmable: Via CYC Ride Control app (Bluetooth) for dual-mode power tuning (street-legal + off-road)

Size & Weight

• Motor Type: Brushless mid-drive, redesigned Gen 4 stator/rotor (10mm longer than Gen 3 for increased power and thermal performance)
• Weight: Approximately 4.9 kg (motor unit)
• Power-to-Weight Ratio: 1.5 kW/kg — highest in its class
• Internal Gears: Brass construction for reduced noise under high torque

Bottom Bracket Compatibility

• BSA Threaded 68 / 73 / 83mm
• BSA Threaded 100mm
• BSA Threaded 120mm
• BB92 Press-Fit
• PF30 / BB30 compatible with adapter

What's Included X1 Pro Gen 4 motor assembly with X12 controller. No display, throttle, harness, chainring, or crankset included.