Confirmed: Jack Chambers signs with Partzilla Prmx Racing

After spending the last two seasons in the Grand Prix paddock racing all over the world with DRT Kawasaki contesting the MX2 World Championship, Jack Chambers has announced his plans for the 2025 season.

The American will be back racing in his home country contesting Supercross as well as the AMA Nationals. The Partzilla Prmx Racing team have spotted the potential in Chambers and have signed up for the upcoming season.

Former GP and AMA rider, Zach Osborne who has been Chambers trainer, is also involved in the team confirming the news on X/Twitter replying to Steve Matthes:

“It’s not just me but a collective with my friend and partner Ryan Rowell that makes up TORQF1T. Happy to have the PRMX boys on board as well as all of our other athletes.

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After his two years racing in the GP paddock and his experience travelling to a number of different countries, Chambers will hope to take the skills he learned in Europe to America.

Chambers confirmed the news via social media:

Excited to announce my 2025 plans, pumped for the opportunity to be racing SuperMotocross for Team PRMX Partzilla.