LightInTheBox offers the Dequilon Unisex 26" 700cc 18-Speed Road Bike for $369.97 with free shipping. That's $170 off list and the lowest price we could find. It features an Aluminium Alloy frame, Shimano shifters and rear derailleur, and BB5 disc brakes.

Note: Uncheck "Add Shipping Insurance to your order" during checkout to remove the $6.99 fee.