If you have a Cabellas or Bass Pro near by, you could try out several brands, styles and sizes since they have fairly well stocked optics departments. I also think the Nikon Monarchs are a decent bino. They have the great Nikon warranty, light weight, readily available, moderately priced, and good optics (not great optics, but you would have to give up your first born for those).

Happy birding and biking,
P2