It wasn't all that long ago that Wahoo Fitness unveiled it's iPhone 4S friendly BlueHR heart monitor to let you track your workouts. Well, it turns out that Wahoo's been working on something new, and at a Bluetooth 4.0 event today in SF, we got a sneak peek at the company's next device, the BlueSC. It's a gadget aimed at would-be Alberto Contadors that wirelessly tracks the speed and pedaling cadence of cyclists via Wahoo's existing app. It's a three piece
