Amazon offers the Cygolite Metro 360 and Hotshot 2-Piece Bicycle Light Set in Black for $41.49 with free shipping. That's $43 under the lowest total price we could find for a comparable Cycogolite set. The Metro 360 headlight features 360 lumens of brightness, six lighting modes, USB charging cable, and Lock-tite handlebar mount. The tail light features five adjustable flash speeds.

Update: The price has risen to $43.99.