1 - Hopes own standard, designed for the original line of Hope brake adaptors
2 - Rear calliper for frames without disc mounts. Used to use a shortened axle
3 - International Standard, 51mm spacing. Front 185mm rotor, rear 165mm
4 - Might of been 48mm Marzocchi Standard
5 - International Standard, 51mm spacing. Front 165mm rotor, rear 145mm
6 - Boxxer Mount 205mm Rotor
8 - International Standard, 51mm spacing. 205mm rotor front
9 - Manitou/Post Mount. Early models were 71mm I think, then Manitou changed it around 2000 to the current 74mm standard.