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Convert 15mm to 12mm

Old 06-10-23, 11:48 AM
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Convert 15mm to 12mm

Ive got a set of wheels that has a SON front hub and WI XMR both are 15mm thru axle, Id like to use them my new bike with is 12mm.

Does someone make axle end caps to do this my google is failing.
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Old 06-10-23, 11:56 AM
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Originally Posted by Germany_chris
Ive got a set of wheels that has a SON front hub and WI XMR both are 15mm thru axle, Id like to use them my new bike with is 12mm.

Does someone make axle end caps to do this my google is failing.
yes.
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Old 06-10-23, 11:56 AM
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Originally Posted by maddog34
yes.
Link?
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Old 06-10-23, 11:58 AM
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Originally Posted by Germany_chris
Ive got a set of wheels that has a SON front hub and WI XMR both are 15mm thru axle, Id like to use them my new bike with is 12mm.

Does someone make axle end caps to do this my google is failing.
yes.
but i'd call them inserts or adapters, personally.
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Old 06-10-23, 12:49 PM
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Originally Posted by Germany_chris
Link?
Ebay, amazon, jenson, and any other major outlet of Bicycle parts.
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Old 06-10-23, 01:03 PM
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Radhaus in Portland makes one but keep in mind it may not work for all hubs. Check with SON and confirm that it is doable. I know I converted a WI hub recently using the Radhaus conversion axle but I recall maybe incorrectly that there was an issue with SON.
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Old 06-10-23, 06:03 PM
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Originally Posted by Germany_chris
Ive got a set of wheels that has a SON front hub and WI XMR both are 15mm thru axle, Id like to use them my new bike with is 12mm.

Does someone make axle end caps to do this my google is failing.
Try using this
15-mm 12-mm thru-axle sleeve
for a search string on eBay, Amazon or Google.
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Old 06-10-23, 06:13 PM
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I've had excelllent luck with ebay seller "mtbtools" for sleave-type adapters for this type of thing. I have a 15 x 100 thru axle front hub I've been using on a QR x 100 fork for years, I often forget the adapter sleeve is in there, works perfectly.....Just checked, looks like this ebay seller is still active with a variety of adapters.
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