Tests were carried out unannounced, prior, during or after racing, throughout the 21 stages of the three-week event with all 3773 checks cleared.
The checks were performed using magnetic resistance technology. Since first deploying this new scanning method in January, the UCI has tested more than 10000 bikes at many races in different disciplines and in different gender and age categories.
The UCI also said it used additional methods of testing, including thermal imaging and X-rays to verify the results of the magnetic resistance technology.
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"I would also like to thank the riders, the teams, the organiser of this year’s Tour, as well as the French police, in particular, the Office Central de la Lutte contre les Atteintes à l’Environnement et à la Santé Publique (OCLAESP) – for their co-operation and support. - UCI President Brian Cookson.
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"We will continue to test bikes heavily throughout the rest of the season, and do everything in our power to make sure this form of cheating stays out of our sport."
The UCI began using a new system to scan for hidden motors in January and more than 10,000 bikes have since been tested.
