New QS MOTOR QS 138 90H V3 with 1:2.35 gearbox Rated 4KW 7200rpm Mid Drive Motor Kits with EM200-2SP Controller for E-Motorcycle
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For138 4000W V3 motor powertrain kits,it could be used for electricmotorcycle, which could be 72V120KPH.
e.g. E-Motorcycle
E-motorcycle weight, approx 180kg+1*70kg
Speed: peak 120km/h
Gear ratio: 1:2.46
Climbing slope: 20°@30kph@250kg
Tire: 100/70-19
P.S. If you have any confused about the shipping cost, please feel free to contact with us.
Also could place order but don't pay first, then we could adjust the price.
One set including below kits:
1. 1pcs X QS138 4000W V3 1:2.35 gear ratio Mid Drive Motor with 428 15T sprocket
2. 1pcs X EM200-2SP sine wave motor controller in big cooling panel with standard CAN-BUS
3. 1pcs X DKD LCD speedometer
4. 1pcs X Z6 throttle with combination switch
Key Features
1). Simplify to make a electric-motorcycle. Gearbox, transmission shaft, clutch are no need. Which save space.
2). It could be installed in the rear to save more space for battery.
3). Support regenerative braking
4). High efficiency: 87~94%
Product Description
1. QS138 4kw V3 Mid Drive Motor
Spec
Drawing
Test Report
138 4kw V3+EM200-2 (This test data isbase on 2.36x2.48 reduction ratio)
2.EM200-2SP sine wave motor controller in big cooling panel with standard CAN-BUS
Spec
Drawing
Controller Wiring Definition
Notice:
The model of plug-in connector isTE 770680-1.
USB Cable
Software Display(PC)
3.DKD Speedometer
Key Features
Both CAN and LIN communication are supported
Product Description
DKD LCD speedometer, Adjustable
It display D N R, P, 1 2 3 S gear, and battery current X10.
For the speed, we recommend to set it as following as default (to match with QS138 3kw 12inch assembly).
·Wheel tire size: 130/70-12
·Pole Pairs: 5
·Gear Ratio: 1: 4.77
·Voltage: 72V (20s Lithium battery)
4. Z6 Throttle
Basic Parameters
Color: black
Rated operating voltage: DC+5V
Current: DC 10mA
Main material: ABS PVC
Right throttle pull force/ left handle pull pull force: ≥200N / ≥200N
Torsional strength: ≥ 9N.m
Output voltage: 0.8 ~ 4.2V
Service life: ≥100,000 times
Waterproof rating: IPX6
Number of core cable:5
Type of switch: half twist, with meter and key
Inner diameter of throttle: 22mm
Function
With Reverse, Parking button(throttle on/off), 3 slide switch gear, s/boost button, Light and Horn.
It match with VOTOL controller well.
Application
Inventory Last Updated: Nov 29, 2024
