Old 10-05-18, 03:19 AM
  #19  
Racing Dan
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Originally Posted by Dean V
17kg!
I presume there is some kind of gearing step up in that crank/motor. 20:11 isn't tall enough.
There is an internal 2.5:1 gear in the Bosch motor. To the rider a 20t is equal to a 50t on a normal bike.
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