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Currently I'm running a Shimano Saint 810 front hub and fork Lyrik coil 20mm. I've a good offer on a brand new Manitou Mattoc 2014. But this fork uses 15mm axle. I'm looking for an adapter to be able to use this fork with the saint 20mm hub. I've looked everywhere, forums, online stores, etc, no luck so far. Seems I will need to change the hub and rebuild the wheel. Any recommendations?

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Ended up buying a almost new second hand Fox Factory 36 Kashima 160mm travel 1 1/8 steer tube, so no need to change nothing, no hub no headset. – Yaroslav Apr 4 '14 at 12:01
up vote 2 down vote accepted

20mm hubs have an axle width of 110mm whereas a 15mm thru axle is 100mm. This means that there is no backwards compatibility on the hub unless it was already designed that way (such as Hope 2 hubs). The M810 is simply too wide.

You would need to replace the front hub at least to run a 15mm TA fork.

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Thanks, that's what I was afraid of. My current fork is 1 1/8 and the Mattoc is tappered so need to change too bottom headset. At the end, what I save on the fork will give it away on the hub+rebuild wheel+bottom headset. I think I'll go for a new Lyrik, bit more expensive, but will end up spending same money and I'm really happy with my Lyrik. – Yaroslav Mar 18 '14 at 9:47

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