TomTop offers the
iGPSport iGS20E Rechargeable Bicycle GPS Computer for
$29.99 with
free shipping. That's $47 off list and the lowest price we could find. It features IPX6 water resistance and tracks speed, distance, temperature, altitude, trip time, and other data that can be uploaded online.
Note: This item ships from China and may take up to four weeks to arrive. The countdown timer on the product page does not reflect an actual expiration time and resets daily.