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PostPosted: Thu Jan 26, 2017 12:14 pm 
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Joined: Mon Apr 25, 2011 2:09 pm
Posts: 49
Ok.
Have 404 FC with alloy freehub body.
Dura ace 9000. Shimano cassettes are chewing through the freehub body.
Looking for solution.

- basically need to replace alloy my freehub body due to shimano cassettes at a costs of around $250 per pop. Pretty annoying and I get the impression this will be a regular thing.

- so tried SRAM xg1190 but the issue is the cassette is 2mm wider than 6800,9000 cassette so it never tunes in the bottom of the cassette. Not good enough. SRAM cassettes are basically no good on mech 9000. Simple as that.

Aim -
Preserve freehub on 404FC
Smoothly shifting rear cassette (SRAM cassettes are proven to be no good).

So I'm looking at the token 11:10 cassette as it seems to have the powerdome design like the SRAM which preserves the freehub on the zipps.


What are people's thoughts on trying this cassette as a solution ?
Shift quality?
Not a cheap cassette


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Posted: Thu Jan 26, 2017 12:14 pm 


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PostPosted: Thu Jan 26, 2017 12:43 pm 
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Joined: Wed Oct 31, 2007 10:32 pm
Posts: 8450
Location: Los Feliz, Los Angeles, California
432r wrote:
- so tried SRAM xg1190 but the issue is the cassette is 2mm wider than 6800,9000 cassette so it never tunes in the bottom of the cassette. Not good enough. SRAM cassettes are basically no good on mech 9000. Simple as that.


:roll:
No, it's as simple as adjusting your rear derailleur. Simple as that.

Rear mechanical Derailleurs of any brand are not limited by their range. You define the range with the High/Low adjustment screws. Your shifter then pulls the cable to a length which divides that distance by the number of gears you are using (ie, 10 or 11).

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PostPosted: Thu Jan 26, 2017 2:00 pm 
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Joined: Wed Jan 22, 2014 11:48 am
Posts: 2367
Location: Vienna Austria
I had a DA 11sp cassette until I broke the spider and I replaced it with a Red 1190. No issues.

Also, freehub notching isn't a huge issue with the DA cassettes since the larger cogs are on the (weak-ish) spider. How often do you swap cassettes?

And - are Zipp freehubs really 250$? That's an outrage.


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PostPosted: Thu Jan 26, 2017 7:12 pm 
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Joined: Sat May 15, 2010 2:01 pm
Posts: 244
Can you file down the burs on the free hub so the sprockets slide on and off easier? I have the same issue on my tune mag 170 rear hub but just file it lightly maybe once a year and it's fine for ages.

I can't remember hearing if tone else having issues theory the sram 1190 cassette on a shimano drive train. It seems the most popular alternative to the weak dura ace cassettes that break so often.

If you still need a different brand cassette then you could try looking at edco cassettes.


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PostPosted: Thu Jan 26, 2017 7:49 pm 
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Joined: Fri Aug 31, 2012 6:32 pm
Posts: 406
An XG1190 cassette is not 2mm wider than an 11s Shimano cassette. You're off there. Here's an article on cassette spacing that you might find interesting.

prendrefeu wrote:
432r wrote:
- so tried SRAM xg1190 but the issue is the cassette is 2mm wider than 6800,9000 cassette so it never tunes in the bottom of the cassette. Not good enough. SRAM cassettes are basically no good on mech 9000. Simple as that.


:roll:
No, it's as simple as adjusting your rear derailleur. Simple as that.

Rear mechanical Derailleurs of any brand are not limited by their range. You define the range with the High/Low adjustment screws. Your shifter then pulls the cable to a length which divides that distance by the number of gears you are using (ie, 10 or 11).

While the OP is wrong about the SRAM cassette not working with DA9000, your last sentence isn't quite accurate either. The shifter doesn't divide the range between high and low limit screws by the number of gears. The distance a specific shifter moves a specific RD has nothing to do with the limit screws except in the largest and smallest cogs. A 10s Shimano cassette would not work on a 10s Campy drivetrain, for instance. We just happen to be at a time where all major manufacturers use a very similar cog pitch.


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PostPosted: Thu Jan 26, 2017 8:36 pm 
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Joined: Thu Jul 14, 2011 10:10 pm
Posts: 247
File.down the burrs. Put straightened steel staples on them so they dont chew into freehub anymore


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PostPosted: Fri Jan 27, 2017 3:58 am 
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Location: Los Feliz, Los Angeles, California
deek wrote:
A 10s Shimano cassette would not work on a 10s Campy drivetrain, for instance.


Actually, it always had worked fine.
How do you think 'neutral' wheels worked in Grand Tours for so many years regardless of what drivetrain the racer was using?
Do some research. :wink:

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PostPosted: Fri Jan 27, 2017 7:23 am 
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Joined: Mon Aug 29, 2016 11:19 am
Posts: 378
victorduraace wrote:
File.down the burrs. Put straightened steel staples on them so they dont chew into freehub anymore


This is what the OP should do. Simple and lightweight.

/a


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PostPosted: Fri Jan 27, 2017 3:50 pm 
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Joined: Fri Aug 31, 2012 6:32 pm
Posts: 406
prendrefeu wrote:
deek wrote:
A 10s Shimano cassette would not work on a 10s Campy drivetrain, for instance.


Actually, it always had worked fine.
How do you think 'neutral' wheels worked in Grand Tours for so many years regardless of what drivetrain the racer was using?
Do some research. :wink:

They had different wheels for Campy and Shimano. Take a look at that link in my previous post. I think you're the one who needs to do some research.

Or you can think about it this way. How could a shifter know where you set the limit screws? The pawls do not move. They are fixed.


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PostPosted: Fri Jan 27, 2017 6:24 pm 
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Joined: Fri Mar 18, 2005 4:12 pm
Posts: 2889
Location: eh?
Maybe the OP means that he can't get the chain on the 11 tooth. That's not a cassette issue but has more to do with the rear dropout/hanger positioning. There is a fix for that also.

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PostPosted: Mon Jan 30, 2017 12:19 am 
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Joined: Wed Jun 08, 2011 6:08 am
Posts: 820
I had an xg1190 and tried to make it work smoothly with 6800. I measured it and found it to be about 2mm wider. I talked to a mechanic at the lbs about it and he knew exactly what I was talking about. I sold it.


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PostPosted: Mon Jan 30, 2017 1:18 am 
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Joined: Tue Apr 05, 2011 6:57 pm
Posts: 61
Location: Chicago
Same issue. Sram guy that wanted a cassette starting with a 12, did not like the way the DA chewed up my Zipp hub.
I have a EDCO cassette on order that should should show up here in a few days. I can give you a report on how it shifts with Etap in a few days.


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Posted: Mon Jan 30, 2017 1:18 am 


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PostPosted: Mon Jan 30, 2017 8:45 am 
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Joined: Wed Jan 22, 2014 11:48 am
Posts: 2367
Location: Vienna Austria
2mm wider where? How does it fit onto the freehub? I've got both at home, if I remember I'll measure myself.


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