2024 Class and Supplementary Regulations

Early release - MRO Retro 1000s Regulations....

2024 Supplementary Regulations View in browser Download
2024 Testday Supplementary Regulations View in browser Download
MRO Retro 1000s - Class Regulations View in browser Download
Formula 400 Regulations 2024 View in browser Download
Thunderbike Regulations 2024 View in browser Download
Thunderbike Sport - Eligible Bikes List
A general guide - not an exhaustive list, ask if you need confirmation on a specific model
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Thunderbike Extreme - Eligible Bikes Guide View in browser Download
Thunderbike Ultra - Eligible Bikes List View in browser Download
MRO & Rookie Minitwins Regulations 2024
For 2024 the regulation regarding Fork Caps 2.1.2 has been updated. It was deemed that rebound adjustment be it internal or external gives no performance advantage. This amendment allows for aftermarket fork caps that allow adjustment of any or all of the following, Compression/Rebound/Preload.
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MRO 600 Regulations 2024 View in browser Download
TGJC & Ninja Senior Series Regulations 2024
Only change from 2023:

In the brake section...

“in order to reduce the transfer of heat to the hydraulic fluid, it is permitted to add metallic shims between the brake pads and the calipers and/or to replace pistons.”
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