Get this iBike Dash CC Cycling Computer for iPhone 4 /4S or iPod Touch for $34.85 at Rakuten. Shipping adds $6.99, but even with shipping this device sells for at least $75 every where else, making this the lowest price we found by $33 (before tax). It attaches to your iPhone or iPod Touch and tracks speed, trip distance and trip time and displays animated and numerical information, including current, average and maximum speed and temperature and more. It also ships with a mounting bracket. Sales tax is charged in most states.