Originally Posted by GadgetGirlIL

I've been using a Garmin eTrek 20x for several years now to do all you are looking for. Uses 2 AA batteries which have lasted through an entire 300K. I use the RAM Mounts system to keep it secure on my handlebars. I download the routes from RWGPS (.GPX files) via Basecamp to the unit. I download my maps (free) from GPSFileDepot.