Air
MRC-A150 significantly reduces its volume and weight to an extreme. It’s even 10% smaller and 40% lighter than the MRC-E250 lightweight motor, and you can barely notice it on the bike. Suitable for road bikes or bikes that want to reduce weight to the extreme.
MRC-A150
SIZE

WEIGHT

The smallest hub drive with the best torque to weight ratio that provides appropriate assistance at the correct moment only tradeoff a little torque. Its freehub body follows the SHIMANO HG 11 standard and is compatible with up to a 12-speed cassette. The replaceable freehub base design allows you to change the freehub body, like a regular rear hub.
RATED POWER
150W
RATED VOLTAGE
36V
WHEEL SIZE
26-28″
OLD
142mm
OUTER DIAMETER
112mm
WEIGHT
1.3kg
MAX. TORQUE
30Nm
RATED RPM
237
Compatible Parts
Compatible Battery

BS-B540+
Semi-in-tube Battery

BS-A500
Semi-in-tube Battery

BP-B250+
In-tube Battery

BE-B180
Range Extender
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 Sensor

ST-SQ-1
Torque Sensor

ST-SQ-2
Torque Sensor

ST-IS-2
Torque Sensor
Comparison
Rated Power
Rated Voltage
Wheel Size
Sprocket Type
OLD
Outer Diameter
Weight
Max. Torque
Rated RPM

MRC-A250
Standard
250W
36V
20″/26-28″
Cassette 8-10S
137mm
141mm
2.9kg
40Nm
210/300(20″)

MRT-A250
Standard
250W
36V
26-28″
Freewheel 6-7S
120mm/135mm
141mm
2.7kg
40Nm
210

MRC-E250
Lightweight
250W
36V
26-28″
Cassette 8-11S
142/144.5mm
120mm
2.17kg
40Nm
245

MRC-A150
Air
150W
36V
26-28″
Cassette 9-12S*
142mm
112mm
1.3kg
30Nm
237

MRC-B750
Heavy Duty
750W
48V
20-28″
Cassette 8-10S
175mm
164mm
4.5kg
70Nm
390
Need Help Choosing?
Whether you want to have a tech chat or start a project, we’re here for you.