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Are these rings worn out?

milesemilese Posts: 1,233
edited September 2010 in Road beginners

Are these worn out?

Just realised how bad the pic of the cassette is. Is there a sure fire way of telling if sprockets / rings need replacing?

I'm riding without a front mech at the moment, with the chain on the big ring, and its thrown it off a couple of times, and thrown it onto the small ring once.

The bike must have done at least 2500 miles, maybe quite a few more.


  • Garry HGarry H Posts: 6,639
    Chainring doesn't look too bad. Can't see the cassette properly.
  • pastey_boypastey_boy Posts: 2,083
    it will throw it off without a front mech as the front mech not only shifts the chain, it also keeps the chain in place. the rings look fine from what i can see . they just need a good clean and lube
    Viner Salviati
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  • risris Posts: 392
    check your chain for stretch, if it is very stretched then it is possible the cassette will have worn to the chain.

    if you buy a new chain and put it on then it should quickly tell you if the cassette has had it, skipping, slipping and all that.
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