Quote Originally Posted by Bigfish
I use a car Euro Tomtom with a waterproof case and handle bar mount, connected it to an auxiliary power socket on the bike and bluetooth to my helmet. Works great for me and its interchangeable with the car. I don't find it distracting, it helps me prepair my road positioning on unknown roads aproaching roundabouts, junctions etc. :

http://www.ebay.co.uk/itm/Arkon-Bike...ht_1602wt_1118
That looks great. I was just about to buy it and realized my bike doesn't have handle bars