Heavy Duty
MRC-B750 is the most powerful e-bike rear drive for all tasks. It features 70Nm of extra high torque and acceleration for heavy-load utility and cargo bikes. The longer OLD suits for various fat tires for traversing diverse terrain types or for pursuing stylish design. Compatible with 8-10 speed cassette sprocket.
MRC-B750
The most powerful hub drive for carrying heavy loads provides extreme torque on the hub axle to help the rider go without effort. The immense capacity of the on-tube battery maximizes riding performance and endurance, making transport effortless and safe.
RATED POWER
750W
RATED VOLTAGE
48V
WHEEL SIZE
20-28″
OLD
175mm
OUTER DIAMETER
164mm
WEIGHT
4.5kg
MAX. TORQUE
70Nm
RATED RPM
390
Compatible Parts
Compatible Battery
BU-A810
Universal Battery
Compatible HMI
VIVID COMPACT
All-in-one Handlebar HMI
VIVID CENTRE
Handlebar HMI with Central Display
LED CHIP 2
Frame Embedded HMI
LCD COMPACT EX
All-in-one Handlebar HMI
LED MULTI
Handlebar HMI
LCD CHIP
Frame Embedded HMI
Compatible Controller
DU-C750+
Flex-mount 750W Controller
Compatible Sensor
ST-SQ-1
Torque Sensor
ST-SQ-2
Torque Sensor
Comparison
|
|
MRC-H250
|
MRC-E250
|
MRC-A150
|
MRC-F250
|
MRC-D500
|
MRC-B750
|
|---|---|---|---|---|---|---|
|
|
Standard
|
Advanced
|
Air
|
Thru-axle
|
Speed
|
Heavy Duty
|
|
|
|
|
|
|
|
|
|
Rated Power
|
250W
|
250W
|
150W
|
250W
|
500W
|
750W
|
|
Rated Voltage
|
36V
|
36V
|
36V
|
36V
|
48V
|
48V
|
|
Wheel Size
|
26-28"
|
26-28"
|
26-28"
|
26-28"
|
26-28"
|
20-28"
|
|
Sprocket Type
|
Cassette 8-10S
|
Cassette 8-11S
|
Cassette 9-12S,
The freehub body follows the SHIMANO HG11 standard, suggested 12-speed cassette model: SHIMANO CS-R7100-12 HG 12s 11-34t
|
Cassette 9-12S,
The freehub body follows the SHIMANO HG11 standard, suggested 12-speed cassette model: SHIMANO CS-R7100-12 HG 12s 11-34t
|
Cassette 8-10S
|
Cassette 8-10S
|
|
OLD
|
138mm
|
142mm
|
142mm
|
142mm
|
142mm
|
175mm
|
|
Outer Diameter
|
134mm
|
120mm
|
112mm
|
120mm
|
166mm
|
164mm
|
|
Weight
|
2.5kg
|
2.2kg
|
1.3kg
|
2.0kg
|
4.0kg
|
4.5kg
|
|
Max. Torque
|
40Nm
|
40Nm
|
30Nm
|
35Nm
|
50Nm
|
70Nm
|
|
Rated RPM
|
|
245
|
237
|
220
|
390
|
390
|
Rated Power
Rated Voltage
Wheel Size
Sprocket Type
OLD
Outer Diameter
Weight
Max. Torque
Rated RPM
MRC-H250
Standard
250W
36V
26-28″
Cassette 8-10S
138mm
134mm
2.5kg
40Nm
MRC-E250
Advanced
250W
36V
26-28″
Cassette 8-11S
142mm
120mm
2.2kg
40Nm
245
MRC-A150
Air
150W
36V
26-28″
Cassette 9-12S*
142mm
112mm
1.3kg
30Nm
237
MRC-F250
Thru-axle
250W
36V
26-28″
Cassette 9-12S*
142mm
120mm
2.0kg
35Nm
220
MRC-D500
Speed
500W
48V
26-28″
Cassette 8-10S
142mm
166mm
4.0kg
50Nm
390
MRC-B750
Heavy Duty
750W
48V
20-28″
Cassette 8-10S
175mm
164mm
4.5kg
70Nm
390
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