Bike lights and bike fitting
My buddy Bert was asking about bike accessories and the best bike light in dark Arc Li-Ion. The light is just incredibly bright and with a lithium ion battery, it is less than a pound. Its about $450 at "Colorado Cyclist":http://www.coloradocyclist.com/common/products/productdisplay2_v2.cfm?PRRFNBR=30403&CGRFNBR=665&CRPCGNBR=665&CI=1,226,665&TextMode=0
If you are going on epics they have "Arc Li-Ion Ultra":http://www.bikelights.com/Products/arc_liion_ultra.htm with a truly gigantic battery that goes for six hours. Just right for that six hour ride around the lake. They are expensive at $550 at "Supergo":http://www.supergo.com/profile.cfm?LPROD_ID=25554&lsubcat_id=1519&lcat_id=7604&referpage=
I actually never go on any bike ride in dark or light without one of these.