Crystalyte NSM-Series

Special For Convert Small Folding Bike

The NSM-Series motor specialized in converting light weight foldable bicycles.

It has a small dropout and lightweight.

* Dropout 74mm /  Axle flat 8mm

* NSM motor 2.6kg only

Motor fits the famous folding bike  : Brompton front 74mm dropout  


NSM Motor's General Informations :

Motor Model NSM
36V Speed  25km/hr
Torque Nm 16.22
*Weight 2.6kg
Wheel Laced Size 16" or 16" 1.3/8 or 20"
Voltage Range 36V ~ 48V
*Front Axle Dropout (mm ) 74mm
Front Axle & Flat Part M10 Axle & 8mm Flat Part
Spokes Holes 36 Spoke holes
Part No. NSM-15RM/V


* Nm = Newton meter

* Motor speed record base on 36V system with 16" wheel,  While motor hook up with 48V, the speed increase.  

- Motor test base on 25A controller.  While controller's current increase the torque increase too.

A Maximum current of 30A can hook up the NSM - series motor.

- Standard motor color : RAL9007


NSM - 15 Specs


Dimensional Diagrams for NSM Series


Detail inside the NSM and Color in silver available

Front NSM Motors NSM Inside Parts 


Remarks :

-  Permanent magnet direct driver / gear less hub motor

-  High-grade  NdFeB Magnets

-  Sheet-type lamination with deep slot

-  High-quality hall effect sensors

-  NSK sealed bearing

-  Covers with stainless Torx screw

-  Plug-in hall effect and motor phase connectors


NSM Laced with 16" 1.3/8 rim ( Brompton folding bike rim ) and standard 16" rim for folding bike.

-  Cable : Dia. 1.5mm2 motor phase wire

-  Spokes with G13 is available

-  Motor wire length : 30cm

-  Anderson Power Pole connector for motor phase and small XRL connector for hall effect sensor


Motor with Brompton's green fork




 *  Motor is available for custom-made. See the motor with disc brake adapter above for custom-made order.