Solo motorcycles of British manufacture (engine and frame.)
Solo motorcycles up to and including 225cc.
Solo motorcycles over 225cc up to and including 450cc.
Solo motorcycles over 450cc.
Motorcycles with touring or trails sidecars. (Scooter side-car outfits are not eligible.
The ACTC publishes an approved specification for a Trials Sidecar.
Three wheelers as defined in the MCC Standing Supplementary Regulations 2005.