GEM IN-WHEEL DRIVE

GEM in-wheel drive represents an advanced propulsion system for urban electric vehicle applications, using innovative modular multiphase GEM technology. It is suitable for electric two, three and four wheeler applications due to modular mounting options and different speed versions. Fully integrated drive operates in a low voltage regime with a simple air cooling system. Patented modular design allows the development of a complete product range at the power level from 1 kW to 15 kW.

GEM IN-WHEEL DRIVE PORTFOLIO

 

 


G0

G1.1

G1.3

G2.4

G2.6

G3

Power range 300 - 700 W 1 - 2 kW 2 - 4 kW 2 - 6 kW 5 - 9 kW 7,5 - 15 kW
Nominal  power 800 W 1,5 kW 3 kW 4 kW 6 / 7,5 kW 7,5 - 15 kW
Peak power 1000 W 3 kW 6 kW 9 kW 15 kW   30 kW
Voltage level 24 - 75 V 24 - 75 V 24 - 75 V 48 - 75 V 48 - 75 V 48 - 100 V
Rim D200 x 500 mm typical 10" 10 - 12" 12 - 15" 12 - 15" ≥14"
Total motor weight 12 kg 8 kg 11 kg 19 kg 25 kg 30 kg
Speed 100 - 400 RPM 200 - 700 RPM 200 - 1000 RPM  300 - 1000 RPM  300 - 1300 RPM  500 - 1000 RPM
Torque 0 - 80 Nm 140 Nm 180 Nm 240 Nm 340 Nm  290 Nm
Motor controller Fully integrated Fully integrated Fully integrated Fully integrated Fully integrated Fully integrated
Cooling Air Air Air Air Air Forced air
Status Samples Samples Samples Series production Series production Development
Application AGV, industrial utility vehicles,trolleys, carts, etc. Scooter and 2-wheeler Motorbike, commercial vehicle
Bicycle 3-wheeler, micro car, other 4-wheeler

CUSTOM SOLUTIONS

GEM in-wheel drive can be fast and professional customized to your needs!

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GEM IN-WHEEL DRIVE – G0.8

Unique fully integrated GEM in-wheel electric drive with permanent magnets, integrated controller and integrated EM brake. 

  STANDARD CUSTOM
Nominal power 700 W  

CUSTOM
SOLUTIONS

 

GEM in-wheel drive can be fast and professional customized to your needs.

 

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Nominal torque 30 Nm
Peak power (20 sec) 1000 W
Peak torque (20 sec) 0 - 80 Nm
Battery-to-wheel efficiency up to 92%
Wheel rim size D200 x 500 mm typical
Total motor weight 12 kg
IP protection IP54
Temperature range -5 - +50 °C
LEV applications AGV, industrial utility vehicles, trolleys, carts, pallet movers, wheel chairs, mobility scooters, ground support equipment
Features integrated motor controller and integrated EM safe break, torque regulation, speed regulation, regenerative braking

 

GEM IN-WHEEL DRIVE – G1.1

advanced and compact direct drive for urban e-mobility

  STANDARD CUSTOM
Nominal power 1,5 kW

CUSTOM SOLUTIONS

 

GEM in-wheel drive can be fast and professional customized to your needs.

 

Click here!

Nominal torque 70 Nm
Peak power (20 sec) 3 kW
Peak torque (20 sec) 100 Nm
Battery-to-wheel efficiency up to 92%
Wheel rim size ≥ 10"
Total motor weight 8 kg
IP protection  IP67
Temperature range -40 - +60 °C
LEV applications bicycle, ebike, scooter, small 2-wheeler, small three-wheeler, agricultural and industrial vehicle, robotic vehicles
Features integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation

GEM IN-WHEEL DRIVE – G1.3

advanced and compact direct drive for urban e-mobility

  STANDARD CUSTOM
Nominal power 3 kW

CUSTOM SOLUTIONS

 

GEM in-wheel drive can be fast and professional customized to your needs.

 

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Nominal torque 120 Nm
Peak power (20 sec) 4,5 kW
Peak torque (20 sec) 160 Nm
Battery-to-wheel efficiency up to 92%
Wheel rim size 10" 
Total motor weight 11 kg
IP protection  IP67
Temperature range -40 - +60 °C
LEV applications bicycle, ebike, scooter, small 2-wheeler, small three-wheeler, agricultural and industrial vehicle, robotic vehicles
Features integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation

 

GEM IN-WHEEL DRIVE – G2.4

premium 4 kW direct drive for scooters and mopeds L1e category and other advanced LEV

  STANDARD OPTION 1 STANDARD OPTION 2 CUSTOM
Nominal power 4 kW  4 kW

CUSTOM
SOLUTIONS

GEM in-wheel drive can be fast and professional customized to your needs.

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Nominal torque 180 Nm  150 Nm
Peak power (20 sec) 4 kW  6 kW
Peak torque (20 sec) 240 Nm  180 Nm
Battery-to-wheel efficiency up to 92% 
Wheel rim size 13"
Total motor weight 19 kg 
IP protection IP67
Temperature range -40 - +60 °C
LEV applications bicycle, scooter, motorbike, other 2-wheeler, 3-wheeler, micro car, golf cart, other 4-wheeler, agricultural and industrial vehicle
Features integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation

 

GEM IN-WHEEL DRIVE – G2.6

high power 6 kW  boosted acceleration drive for diverse LEV applications

  STANDARD OPTION 1 STANDARD OPTION 2 CUSTOM
Nominal power 6 kW 6 kW

CUSTOM
SOLUTIONS

GEM in-wheel drive can be fast and professional customized to your needs.

Click here! 

Nominal torque 250 Nm 210 Nm
Peak power (20 sec) 7,5 kW 8,5 kW
Peak torque (20 sec) 340 Nm 280 Nm
Battery-to-wheel efficiency up to 92%
Voltage level 48 V
Wheel rim size 13"
Total motor weight 25 kg
IP protection IP67
Temperature range -40 - +60 °C
LEV applications scooter, motorbike, other 2-wheeler, 3-wheeler, micro car, golf cart, other 4-wheeler, agricultural and industrial vehicle
Features integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation

 

GEM IN-WHEEL DRIVE – G3

smart choice for demanding high-power future micro and small vehicle applications

  STANDARD CUSTOM
Nominal power 7,5 kW

CUSTOM SOLUTIONS

 

GEM in-wheel drive can be fast and professional customized to your needs.

 

Click here!

Nominal torque 300 Nm
Peak power (20 sec) 11 kW
Peak torque (20 sec) 400 Nm
Battery-to-wheel efficiency up to 92%
Wheel rim size 14"
Total motor weight 30 kg
IP protection  IP67
Temperature range -40 - +60 °C
LEV applications demanding high-power future vehicle applications
Features integrated modular controller, regenerative breaking, CAN communication, full safety protection, additional option 4Q operation

 

CUSTOM SOLUTIONS

Fast and professional customization to your needs

  • customization of power characteristics, torque values and speed
  • customization to different battery packages, voltage level and battery types

Adjusting mechanical
and electrical interfaces

  • custom mechanical adaption to your needs, external or integrated rim
  • customization of motor communications and setting up communication protocols

Software adaptation
and customization

  • customization of motor operation and signal interface to your needs
  • customization and adaption of user interface for customer usage

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