medusa afterburner 36mm motor , mamba monster esc .. whats it worth

[shaun m]

hi ive got a medusa afterburner 36mm motor 2000kv v2.5 version , ive been told they are good , but i bought it off my mate , but never used it ... but whats it woth £££ to see if its worth parting with ...

i also have a mamba monster esc , i bought it at the same time but have no use for it ... again whats it worth , with cd in original box etc ...