low gear creak, why?
Moderator: robbosmans
Hi all,
Looking for a bit of input as Im a bit puzzled on this one...
Basically, I can ride in the big ring and every cassette sprocket with no creaks.
I can ride on the little ring and the smaller sprockets with no creaks.
When I ride on the little ring and large casette sprockets (i.e. smallest gear combos) I get a creak with every pedal revolution or so - the creaking is exacerbated when riding out of the saddle/with aggression.
Now I first though bottom bracket, so replaced bearings, regreased and re tightened - still there.
I am certain its not the BB as I would expect creaking in other gear combos if it was the case.
Because its only happening on the lowest 3ish gears Im thinking it must be something to do with the cassette/freehub and the stresses they are put under when using those gear combos?
I'm going to put a different rear wheel in tomorrow and see if that makes any difference (indicating freehub issues).
Has anyone ever had a similar issue?
thanks for any info
Looking for a bit of input as Im a bit puzzled on this one...
Basically, I can ride in the big ring and every cassette sprocket with no creaks.
I can ride on the little ring and the smaller sprockets with no creaks.
When I ride on the little ring and large casette sprockets (i.e. smallest gear combos) I get a creak with every pedal revolution or so - the creaking is exacerbated when riding out of the saddle/with aggression.
Now I first though bottom bracket, so replaced bearings, regreased and re tightened - still there.
I am certain its not the BB as I would expect creaking in other gear combos if it was the case.
Because its only happening on the lowest 3ish gears Im thinking it must be something to do with the cassette/freehub and the stresses they are put under when using those gear combos?
I'm going to put a different rear wheel in tomorrow and see if that makes any difference (indicating freehub issues).
Has anyone ever had a similar issue?
thanks for any info
I'd try nipping the cassette lockring a bit tighter.
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Dura ace 9000 cassette? viewtopic.php?f=3&t=118879
My only other thought would be the chain rubbing on the FD cage, possibly due to the chainring not being straight if it happens once every pedal revolution.
My only other thought would be the chain rubbing on the FD cage, possibly due to the chainring not being straight if it happens once every pedal revolution.
Loose skewer, loose bearings/hub caps on the hub, loose spokes. Climbing in low gears puts more stress into the rear wheel especially, but also everything else drivetrain related. I have had loose pedals that only made noise when climbing in a low gear.
Possibly chain ring bolts? At certain angles they can creak under strain. I just had a noise issue like that and when I took the rings off there was sweat corrosion behind one of the bolts causing dryness/creak. Just another thing to check, can also come from rear wheel, cassette, frame, etc.
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If it happens more out of the saddle, my guess is the headset.
Changing the rear wheel will be a good way to narrow it down. Seems most likely to come from there, but the chainring bolts (or spider if that's a non integrated one) are candidates also.
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Yeah, rule out the rear wheel first. Then, along with the other suggestions above don't overlook the chain's condition. If I've ridden in some cruddy weather and have some grit in the chain that can sometimes causes creaks under pressure, cured by washing the chain and applying lube. And make sure it isn't approaching worn out status.
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