Momentum Cycles 10:00 AM - 7:00 PM 10:00 AM - 7:00 PM 10:00 AM - 7:00 PM 10:00 AM - 7:00 PM 10:00 AM - 7:00 PM 10:00 AM - 5:00 PM 12:00 PM - 4:00 PM 8640 Mexico Road O Fallon , MO 63366 US phone (636) 240-9232 (636) 240-9232 Get Directions