Class 1 - Mini 70-75cm cam 1Class 1 - Mini 70-75cm cam 2Class 2 - Novice 80-85cm cam 1Class 2 - Novice 80-85cm cam 2Class 3 - Intermediate 90-95cm cam 1Class 3 - Intermediate 90-95cm cam 2Class 4 - 1m-1.05 Open cam 1Class 4 - 1m-1.05 Open cam 2