coolest bicycle tech coming: wireless electronic shifting

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Considering this will be SRAM's first foray into the electronic drivetrain scene, there's an impressive amount of electronic engineering work outlined in the paperwork, including a well thought-out mechanism to shield the system from outside interference – be it other riders, a competing team in a nearby vehicle, or anyone standing on the side of the road.

Pairing all of the bits together also sounds like a simple process that should be well familiar to anyone with a Bluetooth headset. Holding down a button on the derailleur will put that component into pairing mode, which is indicated by a flashing onboard LED. The derailleur will then scan for a corresponding shift paddle push, at which point the LED will go solid and the two bits are paired.

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