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Recreational Cyclocross and Gravelbiking This has to be the most physically intense sport ever invented. It's high speed bicycle racing on a short off road course or riding the off pavement rides on gravel like :The Dirty Kanza". We also have a dedicated Racing forum for the Cyclocross Hard Core Racers.

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Old 02-09-06, 02:18 PM   #1
SpongeDad
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drop out width - 130 v 135 mm

What are most CX bikes? Anybody know what the Bianchi Axis is?

I'd like to be able to swap my road tires onto a cx bike when I travel, but that won't work if the dropout widths are different. Beyond fit, I'd have to mess with the derailleurs.
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Old 02-09-06, 10:31 PM   #2
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the Axis is 130 mm. i believe most 'cross bikes are.
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Old 02-11-06, 06:24 AM   #3
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Bianchi's are 130 as are most cross bikes. I had been looking at a Planet-X frame on ebay......but the spacing was 135.
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Old 02-11-06, 10:56 AM   #4
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Like a lot of folks who started on road bikes rather than mtbs I have some perverse preference for 130mm, but there a quite a few Cross bikes with 135mm rear spacing. Salsa Las Cruces is one of the better ones. Ibex X-Ray, Nashbar's. There are plenty; and I think that as disc brakes are accepted we'll see more. I can't really see the justification for them other than compatibility with disc brake hubs but if others can explain, it would be edifying.
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Old 02-11-06, 12:53 PM   #5
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i'm not a wheelbuilder, but as i understand it, one benefit to a wider rear hub (presumably with a wider distance between the flanges) would be a theoretical reduction in dish.

this, of course, would result in a stronger rear wheel.
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Old 02-12-06, 10:49 AM   #6
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surly crosschecks are spaced at 132.5, that way you can use a road or mountain hub.
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Old 02-12-06, 05:35 PM   #7
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Quote:
Originally Posted by legalize_it
surly crosschecks are spaced at 132.5, that way you can use a road or mountain hub.
If your bikes a steelie and is 130mm, you can run 126mm and 135mm no problems with a little extra persuasion.
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Old 02-13-06, 09:18 AM   #8
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135mm spacing yeilds less wheel dish for a given cassette and hub. Less dish=stronger wheel. Good idea for a cross bike, IMO.
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