Can Mavic road hubs be respaced to 135 mm?
08-29-14, 08:31 AM
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Can Mavic road hubs be respaced to 135 mm?
Hi all,
For a reason probably not of general interest I may soon want to run a Mavic Ksyrium Elite in a frame intended for 135 mm hubs.
Would anybody know if it's possible to pull the axle off a Mavic MTB hub and transplant it into the Ksyrium to make a 135 mm sized Ksyrium wheel?
Cheers,
For a reason probably not of general interest I may soon want to run a Mavic Ksyrium Elite in a frame intended for 135 mm hubs.
Would anybody know if it's possible to pull the axle off a Mavic MTB hub and transplant it into the Ksyrium to make a 135 mm sized Ksyrium wheel?
Cheers,
08-29-14, 08:38 AM
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You should be able to easily source a properly sized axle without tearing apart an otherwise perfectly good hub. Maybe you should try contacting an LBS that is a Mavic dealer. I would assume that they use a fairly common axle threading, and must have wheelsets suitable for touring or tandem bikes with different OLD than the standard road spec.
08-29-14, 08:53 AM
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The Mavic model I'm talking about uses cartridge bearings, no traditional locknuts and no exposed threads. Disassembly is through splitting the axle by inserting an Allen key at each end and unscrewing the halves.
For all the LBSes that I can think of around here, doing a Mavic Frankenhub would be way out of their comfort zone, and straight into unchartered territory.
For all the LBSes that I can think of around here, doing a Mavic Frankenhub would be way out of their comfort zone, and straight into unchartered territory.
08-29-14, 09:46 AM
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You might not be enough axle proud of the locknuts to get 2.5mm of spacers on there and still get purchase on the dropout, but even a 1mm axle spacer (just between the locknut and the dropout) could lighten the load on the frame.
What's the frame? More importantly, what's the frame made of? Steel could pinch 2.5mm a stay easily. IIRC, 'swapover era' (the 126 to 130mm OLD spacing era- early 90s) cannondale a had 128mm rear dropout spacing so they could 2mm up or down. Similarly I think it's surly that spaces some frames like the ogre at 132.5mm for exactly the same reason.
As far as a permanent and far more solution than just wedging a washer in there goes, I'd do some research (pretty sure mavic has decent tech docs on their site) and see if a mtb axle is a straight swap for road hubs.
What's the frame? More importantly, what's the frame made of? Steel could pinch 2.5mm a stay easily. IIRC, 'swapover era' (the 126 to 130mm OLD spacing era- early 90s) cannondale a had 128mm rear dropout spacing so they could 2mm up or down. Similarly I think it's surly that spaces some frames like the ogre at 132.5mm for exactly the same reason.
As far as a permanent and far more solution than just wedging a washer in there goes, I'd do some research (pretty sure mavic has decent tech docs on their site) and see if a mtb axle is a straight swap for road hubs.
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08-29-14, 09:59 AM
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08-29-14, 01:46 PM
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You might not be enough axle proud of the locknuts to get 2.5mm of spacers on there and still get purchase on the dropout, but even a 1mm axle spacer (just between the locknut and the dropout) could lighten the load on the frame.
What's the frame? More importantly, what's the frame made of? Steel could pinch 2.5mm a stay easily. IIRC, 'swapover era' (the 126 to 130mm OLD spacing era- early 90s) cannondale a had 128mm rear dropout spacing so they could 2mm up or down. Similarly I think it's surly that spaces some frames like the ogre at 132.5mm for exactly the same reason.
As far as a permanent and far more solution than just wedging a washer in there goes, I'd do some research (pretty sure mavic has decent tech docs on their site) and see if a mtb axle is a straight swap for road hubs.
What's the frame? More importantly, what's the frame made of? Steel could pinch 2.5mm a stay easily. IIRC, 'swapover era' (the 126 to 130mm OLD spacing era- early 90s) cannondale a had 128mm rear dropout spacing so they could 2mm up or down. Similarly I think it's surly that spaces some frames like the ogre at 132.5mm for exactly the same reason.
As far as a permanent and far more solution than just wedging a washer in there goes, I'd do some research (pretty sure mavic has decent tech docs on their site) and see if a mtb axle is a straight swap for road hubs.
Tech docs don't take into account someone trying to rebuild a road hub into a MTB hub. I can get the article numbers out easily enough, but the assembly schematics are nowhere near detailed enough to show cross-compatibility.
