new rear mech

trail jacker
trail jacker Posts: 844
edited April 2008 in MTB buying advice
hi all.
my bikes just gone in for a bit of an overhaul and i got a call saying my rear mech was on its last legs. its a Shimano Acera 8sp mech on a gt aggressor. halfords (yes, i know...) said they can give me a Shimano Alivio mech for £30 fitted. i was thinking of getting this instead of the alivio:
http://www.chainreactioncycles.com/Mode ... elID=11968
but dont know if its compatible. anyone got suggestions? (im wanting to pay around £20ish)
cheers

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