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Hubs: XTR Vs. Dura-ace(8 posts)

Hubs: XTR Vs. Dura-acethe bull
Oct 8, 2003 3:28 AM
Thinking of buuilding up a road wheelset to '02 XTR hubs because they are on sale for much less money.
Are the bearings in the XTR up to par with that of Dur-ace.
Seems to me that they would be better for training in the rain and winter conditions as they are "off-road".
Mtn hubs have different spacing? nmFez
Oct 8, 2003 5:13 AM
Mtn hubs have different spacing? nmSuds
Oct 8, 2003 5:36 AM
Yup-
Front spacing is the same.
Rear spacing:
Road: 130mm
Mtn: 135mm
re: Hubs: XTR Vs. Dura-acerussw19
Oct 8, 2003 7:41 AM
As others have already pointed out, the rear is 135mm. But the bearings are the same and the freehub body is identical to the Dura-Ace (9 speed that is) and if you go to buy a Dura-Ace freehub body, you will see it actually marked as a XTR body.

Russ
Spacing no problem with some parts...Spunout
Oct 8, 2003 7:46 AM
My Jamis Nova cross came with an LX rear hub, but the axle is a road axle.
What I think you would need to do...DaveLobster
Oct 8, 2003 10:01 AM
Cool idea. Amazing how building your own wheels allows you to think outside the box. The front hub is no problem, as most modern front hubs are spaced 100mm. The rear hub would be the issue.

The issue is the rear hub, which as noted is spaced for 135mm. This wouldn't be an issue if you had a frame made for that spacing, or were willing to cold set a steel frame to use only these wheels. But I assume that you wish to interchange this wheel freely with your other road wheels onto a standard road frame with 130mm rear spacing. This means you have to re-space the hub.

On the following diagram http://www.shimano-europe.com/cycling/phpimages/product/exp_view/FH-M950.pdf, you need to:

1. Remove the 13.5mm spacer #10 and replace it with one 8.5mm (or cut it down and replace).
2. Cut the axle #8 down by 5mm (you can just take it off the non-drive side)- it is titanium, so it may be harder than you expect to cut.
3. Cut down the plastic cap #15 to be flush with the lock nut like it was before.

Not really that much of an issue, particularly as you have access to shop tools. Let us know if you really go through with it. -Dave
Where are they on sale and for how much ?PeterRider
Oct 8, 2003 10:22 AM
The last idea is nice. You can also buy a titanium axle, I think they run around 15$.

Pierre
Excel sports in boulder.the bull
Oct 8, 2003 2:45 PM
1-800-627-6664
frt-40 $
rear-70 $