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