Summer cycling is about to get a lot more precise. The Wahoo Fitness BlueSC sensor we saw back in April is now shipping, giving iPhone 4S and new iPad owners a Bluetooth 4.0 tracker for a bike's pedal cadence, speed and long-term performance through a trio of sensors. As you take that victory ride down the Champs d'Élysées -- or more realistically, take that fixie bike down for a cappuccino -- data fe
