fund-raising for the Prostate Cancer Foundation of Australia

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Due the the outbreak and spread of the coronavirus and the safety precautions  recommended by the governments medical advisers, we unfortunate, have to cancel this years fund raiser ride. We thank you for your support and look forward to you joining us for next years ride.

Anyone who has already purchased tickets for the 2020 ride, will receive a full refund. These refunds will be initiated via our payment gateway PAYPAL, and you should see these refunds back in the account you used to pay for your ticket i.e. if you paid by credit card, the refund will show on your credit card statement. Please note the reference line on your bank statement for the refund will have the word Macrosphere in it.


Rumble Riders are a privately run group dedicated to raising funds for the Prostate Cancer Foundation of Australia. Funds are raised on pre organised annual bike ride events ranging from 5-6 days to 30 days. 100% of all money collected is donated directly to the Prostate Cancer Foundation of Australia.



Rumble Downunder 2020

Rumble Downunder 2020

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Rumble Downunder 2020 - Supporters Pack

Rumble Downunder 2020 - Supporters Pack

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Past Years Merchandise

Past Years Merchandise

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Macrosphere AV Audio small & big screen projection