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This Instagram video reveals how the UCI is scanning bikes for hidden motors

How does the UCI scan for hidden motors in race bikes? This video posted to Instagram by Claudio Cucinotta reveals the process of scanning a bike, in which a small tablet is used to check the frame for a hidden motor.

Controlli @uci_cycling per verifica presenza #motorini in telai e ruote @bardiani_csf #greenteam #rideclean

A video posted by Claudio Cucinotta (@claudio.cucinotta82) on

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We believe the UCI is using the magnetometer sensor built into a tablet to scan for the magnetic fields produced by the magnets in a motor. It could be using a dedicated app to do this, but it could just as simply be using the compass. 

The bike being scanned belongs to a rider on the Italian Bardiani - CSF Pro Team.

David has worked on the road.cc tech team since July 2012. Previously he was editor of Bikemagic.com and before that staff writer at RCUK. He's a seasoned cyclist of all disciplines, from road to mountain biking, touring to cyclo-cross, he only wishes he had time to ride them all. He's mildly competitive, though he'll never admit it, and is a frequent road racer but is too lazy to do really well. He currently resides in the Cotswolds.