If you're a 2-bike lunatic who trains like crazy, you can keep track of it easily with VDO's X2DW wireless cycling computer. The X2DW comes loaded with 11 functions...pretty much anything you'd want to use to measure your speed, mileage, intervals, and times. Cop a 2nd bike kit and you'll be able to pop your computer off bike 1 and onto bike 2 with a quick twist and click. This computer is water resistant, sleeps automatically to save your battery, and comes iron-clad with a 5-year manufacturer's warranty.
Item No. » VD-X2DW
Nashbar: $69.991 or more: $69.99