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Shimano XT Hub

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Shimano XT Hub

Old 09-04-05, 02:03 PM
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Shimano XT Hub

I have a shimano XT hub, I ended up having to brake really hard 50-0mph and in the process locked up the rear tire tearing through a armadillo nimbus. I finally got some new tires on the wheels and mounted them and it appears as though the hub is shot or something. When mounted the wheel movies back and forth as though it is not tightened. so I took off the wheel and the piece in the center that spins without the wheel moving ( what the skewer goes through) has alot of play in it. Have I shot this hub? Is this repairable? Do you think this was from the fast braking?
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Old 09-04-05, 02:32 PM
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damn.... sounds like you may have stripped the pawls... on shimano hubs it's tough to get into the freewheel to eyeball the damage. Unless this is the front hub you are talking about... if so then all is normal :-)
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Old 09-04-05, 03:05 PM
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haha do you know how bad that sucks...I really don't feel like replacing my rear hub...I think I'm going to go cry.
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Old 09-04-05, 06:22 PM
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If it's the axle moving around, the cones need to be tightened. If it's just the freehub, then it's easy to replace it. How it would break under braking is beyond me.
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Old 09-04-05, 06:33 PM
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TRD, work on modulating your brakes more, and the skidding out won't happen again. Moving the large rotor on your bike to the front and putting the small in back will also help.
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Old 09-04-05, 06:43 PM
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Is the wheel play from side to side? It's sure to be the cone & lock nuts. Be careful here, must be:

* Not too tight
* exactly centered on axle
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Old 09-05-05, 04:23 PM
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once I tighten the wheel it acts almost as though the skewer is too thin...does that make sense? It looks as though something needs to be tightened. I think I'm going to take it to the bike shop. As far as the rear rotor, I experience brake fade too quickly on my rear brake with a 6" rotor. the 6" on the front has managed to work out fine.
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Old 09-05-05, 05:05 PM
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Yep, cone nuts for sure. LBS -> good idea, they can probably fix it in 2 minutes assuming nothing is broken, but it would be a good idea if you could check out the Park Tool site to see if you could do this yourself.
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Old 09-05-05, 07:40 PM
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Originally Posted by jur
Yep, cone nuts for sure. LBS -> good idea, they can probably fix it in 2 minutes assuming nothing is broken, but it would be a good idea if you could check out the Park Tool site to see if you could do this yourself.
how would these come loose?
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Old 09-05-05, 08:08 PM
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TRD, you need a disclaimer for the people that don't know you. You're not exactly putting "Normal" loads on your bike parts to begin with.

The skewer merely rides in a hollow axle, and is a bit player in this problem. If it was the pawls, the hub would not engage properly when you pedalled. Most likely, it is something in the cones as stated by above by another member. I do agree that you should take it to your LBS, and have them take a look. It's either something simple, which they can fix up right away, or something major, in which case you should leave it to them. Good luck.
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Old 09-05-05, 08:49 PM
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Alright...I will get them to look @ it...

Advice taken, disclaimer added.
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Old 09-05-05, 09:39 PM
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You really should look into product testing. Seriously.
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Old 09-05-05, 10:16 PM
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Originally Posted by Expatriate
You really should look into product testing. Seriously.
I'd test just about anything it seems to be the case if they can build it I can break it. I'd be simply amazed if a fork could handle more than a foot drop from me
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Old 09-05-05, 10:38 PM
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You should be looking at tandem rated parts. Will the Marzocchi DJ series hold up?
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Old 09-05-05, 11:04 PM
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Originally Posted by Expatriate
You should be looking at tandem rated parts. Will the Marzocchi DJ series hold up?
The DJ 3 didn't feel much more impressive and bottomed out going off a curb with the standard springs. I have a EXR Pro with the stiff springs and the preload all the way, it does the job for most stuff.
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Old 09-05-05, 11:28 PM
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Our tandem fork has about 400 lbs worth of springs. Good stuff.
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Old 09-05-05, 11:44 PM
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WTF are you doing at 50mph?

You're hardcore!!!
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Old 09-06-05, 02:17 PM
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Originally Posted by Expatriate
Our tandem fork has about 400 lbs worth of springs. Good stuff.
What fork do you have? any modifications?
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Old 09-06-05, 02:17 PM
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Originally Posted by Cyclaholic
WTF are you doing at 50mph?

You're hardcore!!!
Big hills son, big hills.
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Old 09-06-05, 02:39 PM
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Originally Posted by PWRDbyTRD
What fork do you have? any modifications?
It's an ATC Racing Z6, customized for tandem use. Dual crown with a 20mm thru axle. They're actually very fairly priced, and fully user serviceable.
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Old 09-06-05, 07:48 PM
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Originally Posted by Expatriate
It's an ATC Racing Z6, customized for tandem use. Dual crown with a 20mm thru axle. They're actually very fairly priced, and fully user serviceable.
What makes it customized for tandem use? I'm just kinda curious
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Old 09-06-05, 07:54 PM
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Dean offers 3 spring weights, and for tandem users he can stack 2 of the heavy springs. He also swapped the 9mm dropouts for the 20mm thru axle. If I want to put them on one of my other bikes when we put a DJ on the tandem, I can swap back to standard dropouts, and remove one of the springs. He carries all the parts for any kind of service, and it's easy to do the service/maintenance/repairs yourself.
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