LightInTheBox offers this Drop-Leg Motorcycle Travel Bag in Black for $4.80 plus 19 cents for shipping. That's the lowest price we could find by $2. It features two pockets, a key ring, and adjustable waist and thigh belts.

Note: This item ships from China and may take two to three weeks to arrive. Uncheck "Add shipping insurance to your order" during checkout to remove the 29-cent fee. The countdown timer on the product page does not reflect an actual expiration time and resets daily.