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Comparison of our Bafang – CYC mid-drive motors

Update 04/2023:

The following blog post was written in February 2022. Nothing has changed with the Bafang motors, but the CYC motors have: Instead of the BAC855 controller, the CYC’s own X6 controller is now used. In addition, the new CYC PHOTON motor has been released (01/2023). The current table can be found here.

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We have presented a clear comparison of these motors in the table below. In addition to the performance and technical aspects, we have also compared the noise level. This was measured using a smartphone app and should be sufficient as a comparative value. The “Bluetooth” point for the Bafang motor depends on the display used – the motor/controller itself is not Bluetooth-compatible, whereas the BAC855 controller of the CYC motor is.  

Bafang and CYC also differ in their drive concept: With Bafang, the chainring is driven by various gear wheels, whereas with CYC the power is transmitted between the motor and chainring by means of a separate drive chain.

   01-BafangrXWlAW3CO3XHB 02-CYCmotorRrKU7ydprKk5Z
Manufacturer Bafang Bafang Bafang CYC CYC
Motor designation BBS01 (M215) BBS02 (M315) BBSHD (M615) X1 Stealth X1 Pro
Specified performance of the manufacturer

250 W


500 W

 

1000 W

 

1500 W

 

up to 5000 W

Motor volume (dB)  58 65 61 80 94
Optics +/- +/- +/- + +
Torque sensor No No No Yes Yes
Control Cadence (PAS) Cadence (PAS) Cadence (PAS) Torque + cadence Torque + cadence
Throttle lever Yes Yes Yes Yes Yes
Programmable Yes Yes Yes Yes Yes
Bluetooth Yes (depending on display) Yes (depending on display) Yes (depending on display) Yes Yes
Recuperation No No No No No
Coaster brake can be used No No No No No
Gearbox Gear drive Gear drive Gear drive Planetary gearbox Planetary gearbox
Max. Ampere* 15 A 20 A 30 A 70-90 A 70-90 A
Weight of the motor incl. controller* 3.9 kg 4.2 kg 5.8 kg 2.7 kg 3.7 kg
Compatible nominal battery voltage* 36V 48V, 52V 48V, 52V 36V – 72V 36V – 72V
max. torque* 80 Nm 90-100 Nm 160 Nm 150 Nm 190 Nm
Suitable bottom bracket widths

BSA 68-75 mm,
with axle extension also for BB92 (92 mm)

BSA 68-75 mm,
with axle extension also for BB92 (92 mm)
BSA 68 – 120 mm, BB92 (92 mm) BSA 68-83 mm, BB92 (92 mm) BSA 68-83 mm, BB92 (92 mm), BSA 100-120 mm
Advantages Quiet, lightweight, suitable for light support Quiet, light weight, also suitable for easy uphill rides Quiet, robust, proven, suitable for uphill riding and heavy loads, available for almost all bottom bracket widths Very light, lots of power, very compact, modern look and beautiful design, good chain line, alternative mounting for more ground clearance Lightweight, lots of power, modern look and beautiful design, good chain line, alternative mounting for more ground clearance 
Disadvantages Standard version only suitable up to 75 mm bottom bracket width, low ground clearance on bikes with a flat down tube Standard version only suitable up to 75 mm bottom bracket width, low ground clearance on bikes with a flat down tube Low ground clearance on bikes with a flat down tube Louder than Bafang motors, additional drive chain Louder than Bafang motors, additional drive chain
Set price** approx. 1,400 EUR approx. 1,600 EUR approx. 1,800 EUR approx. 2,100 EUR approx. 2,400 EUR

 

* When using the Bafang stock controller or BAC 855 controller for CYC motors

** Price may vary depending on bottom bracket, controller and accessories

 

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