About 50 motorcyclists have converged outside the Christchurch Law Courts as part of their fight against an ACC levy they say is unfair "victim-blaming".

About 50 motorcyclists have converged outside the Christchurch Law Courts as part of their fight against an ACC levy they say is unfair "victim-blaming".

MAGNZ says 220,388 registered riders face unfair risk-rating based on engine size.