In preparation for the start of the 2015 MotoGP season, Sport Rider is taking a closer look at a few of the top riders from pre-season testing, plus a MotoGP rookie following in Casey Stoner’s footsteps.
Today we take a look at Jack Miller, the 20-year-old Aussie who is making the jump from Moto3 to MotoGP this year. Miller is riding a RC213V-RS for the LCR Honda team and is teammates with Cal Crutchlow. Scroll through the gallery above to see photos from Miller's pre-season tests and read about how the 2014 Moto3 runner-up feels about the progression he has made since jumping off a 250 and onto the MotoGP bike.