The son of a former 250cc rider, Helmut Bradl, Stefan debuted on the Grand Prix circuit in 2005, before securing a full-time ride from 2006 in the 125cc class. Having ridden KTM, Aprilia and Suter bikes, it was on a Kalex machine in 2011 where he had the highlight of his career. Competing in Moto2™, Bradl scored four wins and seven further podiums to claim his sole World Championship crown, ahead of Marc Marquez.

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