Embodiments of the present invention relate to a control system for a bicycle towing a trailer; however other similar embodiments may apply to {TAIL ~ combustion, electric or hybrid engines} powering {HEAD ~ a vehicle} towing a trailer 
Embodiments of the present invention relate to a control system for a bicycle towing a trailer ; however other similar embodiments may apply to { TAIL ~ combustion , electric or hybrid engines } powering { HEAD ~ a vehicle } towing a trailer
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH