Torque Sensor BB68-120MM Standard Bottom Bracket Transducer LEFT WIRING Intelligent Bike Electric BICYCLE Accessary MTB Diy Part

this is the axial torque measuring device
customer please choose right model according to your bike axis, 
price include a free claw 4 or 5 , please leave message in remarks of order which one u need, 
price donot include gears and crank, if need please contact sales person, need little extra cost,

this link is for t9 , it is left side wiring,

torque sensor of different size 

THE TOTAL LENGTH WILL BE different according to the axle size u choose,
the picture for each model check bellow

parameter for latest version torque

max torque 102Nm
it is 36 speed signal /rotate square wave

reverse --no speed signal

torque sensor has 4 wires : 

red -power positive 8-12v  
black --negative 
green-speed signal output 
white- torque signal output 

display and controller which match with this torque sensor,

here this link bellow is the display and controller which match with this torque sensor, if need please order together . 
https://www.ebikpro.com/item/4000038619326.html

another group of TFT display and controller

also has another group of TFT display and controller if need order here please 

https://www.ebikpro.com/item/33046059510.html?

the cranks that match with it

https://www.ebikpro.com/item/1005002488806914.html?
order the cranks here

price is for sample only

  , for more information or quantity order or user instruction please leave message.