More specifically, the present invention relates to a control system and {HEAD ~ an algorithm} for setting and maintaining {TAIL ~ an optimum towing load} of a bicycle towing a trailer containing one or more an electrical hub motors 
for maintaining
More specifically , the present invention relates to a control system and { HEAD ~ an algorithm } for setting and maintaining { TAIL ~ an optimum towing load } of a bicycle towing a trailer containing one or more an electrical hub motors
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH