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Bafang M820

Bafang

Mid-drive

bafang-e.com/en/oem-area/components/component/motor/mm-g532250c

The Bafang M820 is an e-bike motor with a 250 W rating, up to 80 N.m of torque, assistance to 25 km/h, a weight of 2.3 kg, for 27.5 - 29 inch wheels and an ingress rating of IP65.

Last updated: 5 September 2026

What we found

  • Published as 250 W · MM G532.250.C · 25 km/h.
  • 13 specifications are published for it, each with the source it was read from, 1 of them corroborated by a second source.
  • No matching recall was found in the records this catalogue holds from 8 regulators.

Assembled from the evidence on this page. Every figure and count below is shown with the source it was read from.

Motor and performance

Maximum torque
80 N.m

“Max. Possible Torque (Nm)*** 80 Peak locked parameter, reconfiguration possible,depending on the demand of applications and battery output performance.”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Maximum power
530 W

“Max. Possible Power (W)*** 530 Peak locked parameter, reconfiguration possible,depending on the demand of applications and battery output performance.”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Continuous rated power
250 W

“Rated Power (W) 250”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Weight
2.3 kg

“Weight (kg) 2.3”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Maximum current
17 A

“Max. Possible Current (A)*** 17 Peak locked parameter, reconfiguration possible,depending on the demand of applications and battery output performance.”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Maximum assistance ratio
500%

“Max. Possible Support Ratio*** 500% Peak locked parameter, reconfiguration possible,depending on the demand of applications and battery output performance.”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Assisted speed
25 km/h

“Speed (km/h) 25”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Pedal sensing
Torque & Cadence

“Pedal Sensor Torque & Cadence”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Rated voltage

The maker’s own documents give different figures

43 V

BF-DM-C-MM G532-EN.pdf · retrieved by us 4 September 2026

“Rated voltage (V) 43”

Source: bafang-e.com/uploaded/manual/BF-DM-C-MM G532-EN.pdf

36 V

BAFANG_Workbook_OEM_2027_EN.pdf · retrieved by us 4 September 2026

“Nominal Voltage (Vdc) 36”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Ingress protection
IP65

“Waterproof IP65”

Source: bafang-e.com/uploaded/manual/BF-DM-C-MM G532-EN.pdf

Frame and components

Bottom bracket shaft standard
ISIS

“Shaft Standard ISIS”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Wheel size
27.5 - 29 inch

“Wheel Size (Inch) 27.5 - 29”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Identity

Engineering designation
MM G532.250.C

“Model No. MM G532.250.C”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

How this brand publishes

Its second manual states the same figures
Both manuals state the same specification

“Motor model: MM G532.250.C”

Source: bafang-e.com/uploaded/manual/BF-UM-C-MM G532-IT.pdf

Certification claims

Certification claimed by the manufacturer

The maker’s own documents give different figures

EMC / ISO13849

BF-DM-C-MM G532-EN.pdf · retrieved by us 4 September 2026

“Certification EMC / ISO13849”

Source: bafang-e.com/uploaded/manual/BF-DM-C-MM G532-EN.pdf

IP X6 / CE

BAFANG_Workbook_OEM_2027_EN.pdf · retrieved by us 4 September 2026

“Tests & Certifications IP X6 / CE”

Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf

Models documented with this motor

No model has been matched to this motor yet in the records we hold. That is a statement about our research, not about which bikes use it.