QS120 Motor｜ Other Products

This motor is perfect for small & medium to large size electric motorcycles. This is the more compact version of the infamous 138 70h model. If you have a tight space but need big power the qs120 is for you. This motor is capable of over 15kW Bursts! 
Includes
1- QS 120 2kW direct drive motor with 10t sprocket
OR
1- QS120 v3 gear reduction motor with 2.35:1 internal reduction and 14t 428 sprocket
Note: V3 gear reduction motor can ONLY spin counterclockwise and does not support full power in the clockwise direction

Key Features 

Light weight and small dimension compared to other motors of similar power outputs
High Torque suitable for high performance high load situations such as climbing and racing
Supports regenerative braking
Proven reliability

Compatibility
EM-100 Controller - QS120
TruMoto Noisy Cricket - QS120 v3
Specification
Motor Type: BLDC Permanent Magnet Inner Rotor Motor With Hall Sensor Brand: QS Motor, QSMOTOR Motor Design: Single Axle  Matched Wheel: 12inch Wheel (as default) Magnet Height: 70mm, 40pcs, 5 pole pairs Diameter of stator: 120mm Rated Power: 2000W Rated Voltage: 72V (as default) Speed: 60KPH  No-load rpm: 2800rpm without flux weakening, 4400RPM with flux weakening. Max Torque: approx 45.4N.m without Reduction ratio, approx 216.7N.m with 1:4.77 gearing ratioMax Efficiency: 88% Continuous Battery Current: Pending (72V) Peak Battery Current: 60A (72V) Suggest Peak Phase Current: 250A Thermic Probe: None as default (KTY83/122 is available, please let sales know if needed) Working Temperature: Pending Hall Sensor: Single Hall Plate with Waterproof Connectors Phase Wire: 8mm² Cross Section  (not include insulation layer) Hall Sensor Phasing angle: 120 degree Waterproof Grade: IP54 Color: Black  N.W./G.W.: 10.8kgs/11.5kgs    Package Dimension: 34cmx34cmx33cm
E&C Findings
Based on our testing we have come up with some alternative ratings. These ratings are strictly our opinion and warranty will not be provided for any motor pushed beyond QS recommended ratings.
Details
Max Battery Current: 150 amps Max Output: 10,800w or 10.8kw
We recommend buying our E&C sprocket to ensure proper fitment and to reduce the chance of damage to the spline drive, Check spline dimensions carefully for proper fitment. 
Brand:Electro & Company Inc.Category:All ProductsSKU:400-0010Tags:All Products, Holiday Sale, On Road Kart, Pit Bike Fab, QS Motors, QS ProductsV3 Gear reduction:No, Yes gear reduction