Tuning gears..
- janus77
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Tuning gears..
Postby janus77 » Mon May 26, 2008 5:29 pm
Took my bike in for a service a few months ago, the gear changes have actually been worse since the service than before I took it in.
Is it likely that the gearset is wearing, or did the bike mech just f@ck it up?
How hard is it to adjust your gears at home so they shift perfectly?
Is it likely that the gearset is wearing, or did the bike mech just f@ck it up?
How hard is it to adjust your gears at home so they shift perfectly?
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Postby Deanj » Mon May 26, 2008 5:45 pm
Going onto a larger cog? Turn the barrel adjuster counter clockwise (on the rear mech or on the shifter) to tighten the cable slightly, just a quarter of a turn or so at a time and try it out.
Rear derailleur adjustment
Rear derailleur adjustment
Last edited by Deanj on Mon May 26, 2008 5:50 pm, edited 1 time in total.
- Kalgrm
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Postby Kalgrm » Mon May 26, 2008 5:48 pm
Just undo the inline barrel adjuster a little. It should be next to the gear shifter, which means you can wind it out a half-turn while you're riding along.
If it's not there, it will be next to the derailleur.
If it takes more than 1 turn, you'll need to delve a little deeper. Check out the Shimano web site for an installation instruction on a derailleur. You should also be able to find good instruction on the Park Tools web site. (edit: ... as linked to by Needsapush ....)
Cheers,
Graeme
If it's not there, it will be next to the derailleur.
If it takes more than 1 turn, you'll need to delve a little deeper. Check out the Shimano web site for an installation instruction on a derailleur. You should also be able to find good instruction on the Park Tools web site. (edit: ... as linked to by Needsapush ....)
Cheers,
Graeme
Think outside the double triangle.
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Music was better when ugly people were allowed to make it ....
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Postby Kalgrm » Mon May 26, 2008 6:06 pm
With the barrel at the RD, you'll probably end up needing to put your bike on a stand to do the adjustment. Give it a go anyway, but if it doesn't work out, you'll know what to do when you get home.
Cheers,
Graeme
Cheers,
Graeme
Think outside the double triangle.
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Music was better when ugly people were allowed to make it ....
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Music was better when ugly people were allowed to make it ....
- sogood
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Postby sogood » Mon May 26, 2008 8:21 pm
Please don't "muck around". Go and read the Shimano manual or one of the other info sites on the net. With the adjuster, you can actually over adjust and end up losing one cog on one of two ends.janus77 wrote:screwed it a couple of clicks counter-clockwise before leaving work, seems to have helped, might need to muck around with it to get it just right.
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Postby rustychisel » Mon May 26, 2008 8:36 pm
Sorry, just got back, anyway the advice you've been given is good. Get down behind the bike (in line with the cogs and the mech) and have a good squizz at what happens when you shift the barrel adjuster, paying particular attention to lining up the mech cage (below) with the cogs.
Also, examine your cable run carefully, often when a change is slow or sticky it can be that the cable run is impeded by crud, lack of lubrication, worn cable or cable outer.
Also, examine your cable run carefully, often when a change is slow or sticky it can be that the cable run is impeded by crud, lack of lubrication, worn cable or cable outer.
- Bnej
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Postby Bnej » Tue May 27, 2008 9:49 am
Usually you won't need to do it, but if there is sticky crud around where the cables enter the outers then a bit of light lube and a wipe with a rag should fix it.janus77 wrote:As far as lubricating the cables goes, do you just squirt a bit of lube onto the end points or what?
Only if the cable is dragging slowly, you should be able to feel it at the shifters/brake levers - the lever won't return as quickly as the spring would be working against a bit of friction.
- Mulger bill
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Postby Mulger bill » Tue May 27, 2008 9:21 pm
Sounds like a bit of cable stretch is all then, nice fix Janus.
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