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Post by marsbarman on Oct 12, 2014 15:26:53 GMT
So on the final run of BPW on Monday my chain snapped, but I'd been having issues with my rear mech from about lunch time with only 2 gears available, shifter just didn't seem to be talking to the mech.
Having finally had chance to get the bike up on the stand to look at it, the cable isn't broken and I've given everything (cassette and chain) a good soak in degreaser and taken the rear mech off and taken a toothbrush to it to get any wedged in dirt out.
Now it's back on I've got more issues, I can move the full range of gears, except the chain now skips from cog to cog, not just up one, but down one, so it's skipping across 3 cogs and certain links are clipping against the cog above and causing a clicking noise when going at low speeds. I've tried adjusting everything on the mech I can to try and sort this, so far, nothing.
I would really not prefer to have to buy a new rear mech as the X9's aren't overly cheap. Nor are the Shimano counterparts.
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Post by Deleted on Oct 12, 2014 16:55:36 GMT
Have you bent the cage at all wot are the jockeys wheels like any pics ? Undo the cable when it's in the high gear pull tight to set it back up ..
How close is the top jockey wheel to the cassette .. Have you altered the B Screw?
have you checked the chain for wear , and the cassette ?
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Post by Deleted on Oct 12, 2014 17:14:25 GMT
Have you bent the cage at all wot are the jockeys wheels like any pics ? Undo the cable when it's in the high gear pull tight to set it back up .. How close is the top jockey wheel to the cassette .. Have you altered the B Screw? have you checked the chain for wear , and the cassette ? And a partridge in a pear tree...... lol
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Post by marsbarman on Oct 13, 2014 14:01:26 GMT
Worked it out in the end, chain length was too short so when the rear swingarm came up over half it's travel in the large cog it would be too taught and weaken. Thus it snapped. As for the cog skipping issues, some screws on the mech had come a little loose so were throwing off the chain.
Was going to ride today, but it's absolutely hammering it down here, don't fancy risking the roads when it's like this.
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Post by Deleted on Oct 13, 2014 18:15:41 GMT
Worked it out in the end, chain length was too short so when the rear swingarm came up over half it's travel in the large cog it would be too taught and weaken. Thus it snapped. As for the cog skipping issues, some screws on the mech had come a little loose so were throwing off the chain. Was going to ride today, but it's absolutely hammering it down here, don't fancy risking the roads when it's like this. Glad your sorted pal, yeah went for a steady plod round the chase , just a tad wet n slippy ..
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