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Thread: Ask the experts
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11-01-2021, 10:49 AM #6376
I’ve been assuming the noise is internal, but the only time I’m removing the cassette is when there’s noise. Could be dirt build up between the cassette and splines. That’s an easy one to check, so will try that before cleaning/lubing again.
XTR cassette for what it’s worth.
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11-01-2021, 10:53 AM #6377
Yeah, same here - XTR cassette. I spent a bunch of time fiddling around trying to pin down the location of the creak. Mine was definitely inside the freehub; greasing the splines / cassette didn't do anything. And I have another Novatec hub with microspline that, with the same XTR cassette, never creaked (which is kind of amusing that the cheap hub has been the quiet, reliable one).
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11-01-2021, 11:27 AM #6378Registered User
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11-01-2021, 07:52 PM #6379Not a skibum
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In my experience Chris King hubs have been overpriced fragile garbage for about 10+ years now. Several of my crew abandoned them for repeated issues and the attitude from their support matches their elitist price. So no surprise from me that a quiet cheap hub is more reliable.
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11-01-2021, 08:01 PM #6380
Creaking was a big issue when the XTR cassettes were first appearing. The first batch didn't have the .05mm clear plastic spacer that goes under the cassette, and most of them were creaking. Do tou have the freehub body spacer installed?
(Just throwing this out there, good luck!)
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11-01-2021, 08:13 PM #6381
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11-01-2021, 09:11 PM #6382
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11-01-2021, 09:30 PM #6383
More in here:
https://www.mtbr.com/threads/12-spee...pacer.1094355/Forum Cross Pollinator, gratuitously strident
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11-01-2021, 10:38 PM #6384
Thanks. I found the video at the end of that thread when I first ran into this issue. The sound on my bike is just like that, and it does go away when lubing the part he says, it just won’t stay away.
Going to try some of the other ideas just to eliminate them, but can’t say I’m feeling very confident as of now.
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11-01-2021, 10:43 PM #6385
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11-02-2021, 06:19 AM #6386
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11-02-2021, 12:31 PM #6387Squaw Cares
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11-02-2021, 01:06 PM #6388
Not all Chris King products are problematic. My old chili and cheese shakers are holding up fine with minimal maintenance required
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11-02-2021, 07:52 PM #6389
Anyone know if there is any difference in power between Zee M640 caliper vs. new SLX 4 piston? Would be using SLX lever with either. I did some research, but all I found were some suggestions that the SLX might have better modulation due the the lever, couldn't find any comparisons on just the calipers.
“I really lack the words to compliment myself today.” - Alberto Tomba
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11-02-2021, 08:16 PM #6390
Power is going to be almost exactly proportional to piston area. This link for sketchy replacement pistons suggest they’re the same size pistons in both those calipers, so power will be the same:
https://m.aliexpress.com/i/400115819...Adapt=Pc2Msite
(I thought shimano used to actually publish these specs, but not able to find them anymore?)
Edit: for clarity, knowing piston area is fine for comparing the caliper, but levers are more difficult since they have different mechanical leverage depending on pivot location, blade length, etc.Last edited by J. Barron DeJong; 11-02-2021 at 09:04 PM.
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11-02-2021, 09:13 PM #6391
I have new SLX 4 pistons, new XTR 4 pistons, new xt 4 pistons and have used the old zee/xt 4 pistons. The new round of shimano brakes are great, the SLX feel absolutely phenomenal and can’t see ever getting another pair of XTR (although they are great!), the biggest thing I like about new caliper body style is they moved the bleed port to a better position for gravity bleeds, have found I can get better overall bleeds on the new body vs the old xt/zee 4 piston (like the m640 you referenced) overall the brake feel is similar tho edge to new brake style, but the bleed port location is big for me, YMMV.
Do I detect a lot of anger flowing around this place? Kind of like a pubescent volatility, some angst, a lot of I'm-sixteen-and-angry-at-my-father syndrome?
fuck that noise.
gmen.
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11-02-2021, 10:27 PM #6392Registered User
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11-03-2021, 07:56 AM #6393
Ask the experts
Answering a past or future question about Hydra Freehubs: as an experiment, I used Fox Float Fluid in my Hydra Hub and at about 100 miles in, it’s the shit.
Keeps everything quiet a hell of a lot longer than the Dumonde stuff they recommend, and the pawls seem to be working better…far fewer incidents of the loud clack when the last pawl engages.
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11-03-2021, 08:30 AM #6394
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11-03-2021, 09:35 AM #6395
I had just put a little bit of the dumonde grease on the pawls then said fuck it and splooged in about 1/2 a pillow pack of Float Fluid.
The hub has been near silent since.
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11-03-2021, 09:58 AM #6396Registered User
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11-03-2021, 10:03 AM #6397
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11-03-2021, 10:21 AM #6398
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11-03-2021, 10:38 AM #6399
Made extensive use of the hub noise in France these past 3 weeks. Annoying to me at first but invaluable to scatter the hordes of old French people occupying the whole width of the trail. One elder told his ancient friend in a whiny voice that it was amazing "they" didn't even have bells on the bikes. I told him in my angriest French that if he wanted me to wear a bell like a fucking cow he'd need to equip himself with a flashing light which is mandatory for slow-moving farm vehicles.
Oh the joy of bitching in French..."Your wife being mad is temporary, but pow turns do not get unmade" - mallwalker the wise
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11-03-2021, 11:22 AM #6400Registered User
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Haha...
Yeah, I've got one of those bells with the on-off switches but a) the damn thing turns on when I don't want it to, b) it's distracting to me, and c) the damn thing is a hazard to me and/or my bike in a crash. So noisy hub it is. It's kind of damned if you do, damned if you don't. The local crew has had hikers bitch at them for their "annoying" bells, but also have people with earbuds in leap off the trail at the last moment because they couldn't hear us. So I'm just going with something that makes noise but isn't super annoying to me.
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