what do I need?

nickg

Über Member
Right might replace worn bits instead of new bike. Got 8speed cassette on rear. Also will need a chain. All 12yrs old. Do I need crank aswell? Do I just search for a shimano 8 speed cassette or do I need to look for anything in particular? The rear mech is alivio and so is the front. All in mtb
 

migrantwing

Veteran
Any Shimano MTB 8 speed groupset would be fine (I should think). The crank may be worn, so not replacing it would be false economy, but it all depends on how worn it is and without seeing it I can't say.
 
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