Odds are that there's at least one cyclist on your list this year, given the rapid increase in bike riders of all sorts. Here's a gift guide for that special someone who prefers the burn in their calves to the stereo in their car.
I'll get things started with a few of my own ideas; if you've got any you'd like to add, just follow this format in the comments:
Name and price of the product (please link this to a product page when applicable, so people can easily buy it.)
Image or video of the product.
A note explaining why you think it's great