The Bafang H305 is an e-bike motor with a 250 W or 350 W, each at 36 V or 48 V rating, up to 55 N.m of torque, assistance to 25 km/h, a weight of 3.1 kg, 138 mm over-locknut spacing, for 26 / 700C / 28 wheels and disc brake compatibility.
Last updated: 6 September 2026
What we found
- Published as 250 W or 350 W, each at 36 V or 48 V · RM G0100.250.D/DC · 25 km/h.
- 16 specifications are published for it, each with the source it was read from.
- 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
- 55 N.m
- Maximum torque, as the dealer manual states it
- 40 N.m on the 250 W versions, 50 N.m on the 350 W
- Continuous rated power
- 250 W or 350 W, each at 36 V or 48 V
- Weight
- 3.1 kg
- Assisted speed
- 25 km/h
- Rated voltage
36V 48V 36V 48V
BF-UM-C-RM G0100.250.DC-EN.pdf · retrieved by us 4 September 2026
“Rated Voltage 36V 48V 36V 48V”
Source: bafang-e.com/uploaded/manual/BF-UM-C-RM G0100.250.DC-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
- IPX6
“Max. Possible Torque (Nm)*** 55 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
“Max. Torque 40 N.m 40 N.m 50 N.m 50 N.m”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
“Rated Voltage 36V 48V 36V 48V Rated Power 250W 250W 350W 350W”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
“Weight (approx.) 3.1 kg”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
“Weight (kg) 3.1”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Speed (km/h) 25”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
The maker’s own documents give different figures
“Protection Rating IPX6”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
Brakes and safety
- Brake type
- Disc Brake
“Brake Disc Brake”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Frame and components
- Colour
- Black
- Spoke specification
- 36H*13G
- Sprocket
- 7 - 8
- Cable exit side
- Shaft Side_Left
- Wheel size
- 26 / 700C / 28
“Colour Black Black Black Black”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
“Spoke Specification 36H*13G”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Sprocket 7 - 8”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Cabling Route Shaft Side_Left”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Wheel Size (Inch) 26 / 700C / 28”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Compatibility
- Motor cable length
- 250 mm
- Over-locknut dimension
- 138 mm
- Connector
- G9.1
“Cable Length(mm), Connection Type 250 G9.1”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“OLD (mm) 138”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
“Cable Length(mm), Connection Type 250 G9.1”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Identity
- Engineering designation
- RM G0100.250.D/DC
“Model No. RM G0100.250.D/DC”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
Certification claims
- Certification claimed by the manufacturer
CE
BF-DM-C-RM G0100.250.DC-EN.pdf · retrieved by us 4 September 2026
“Certification CE CE CE CE”
Source: bafang-e.com/uploaded/manual/BF-DM-C-RM G0100.250.DC-EN.pdf
IP X6 / CE / UL2849
BAFANG_Workbook_OEM_2027_EN.pdf · retrieved by us 4 September 2026
“Tests & Certifications IP X6 / CE / UL2849”
Source: bafang-e.com/Uploaded/Labels/BAFANG_Workbook_OEM_2027_EN.pdf
The maker’s own documents give different figures
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.