Old 01-09-19, 02:47 PM
  #4  
chas58
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Location: Michigan
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Bikes: too many of all kinds

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Road bikes generally are very difficult to work with
1) the tubing is too thin and light to take the torque of the motor
2) the rear dropouts are too small and delicate to handle a large through axle
3) there is no good way to mount a throttle.

Potentially you could do a lightly powered mid drive on it (if it was compatible with the frame). But the throttle is a difficult one. My motor has very little torque, so I just use an on/off switch for the throttle.
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