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Discussion Starter · #1 ·
I want a Fox 100mm suspension fork to share a wheel with a rigid fork.
The eaisest solution would be to replace the glue in stainless 9mm dropouts with 15mm dropouts. if anyone knows how to find some. Or buy a new rigid fork with 15mm dropouts. or have a fork made with 15mm dropouts.

A new fork would surely be less than a 2 son dyno hubs.

Would be nice to have 4 water bottle mounts on the fork.

any ideas?
 

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Bikes in jeans
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I want a Fox 100mm suspension fork to share a wheel with a rigid fork.
The eaisest solution would be to replace the glue in stainless 9mm dropouts with 15mm dropouts. if anyone knows how to find some. Or buy a new rigid fork with 15mm dropouts. or have a fork made with 15mm dropouts.

A new fork would surely be less than a 2 son dyno hubs.

Would be nice to have 4 water bottle mounts on the fork.

any ideas?
I don't think you can convert from 9mm to 15mm. The 15mm axle screws into the lower of the fork.

Something like this might work: https://www.carboncycles.cc/?s=0&c=43&p=1760&tb=001
 

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The front wheel has a 15mm thru axle hub?, why not get a 15:9mm axle and use the DT swiss 9mm axle or get a 15:5mm converter and use a QR? Opens up your fork choices, especially if you want braze-ons for bike packing or anything cages.
 

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The front wheel has a 15mm thru axle hub?, why not get a 15:9mm axle and use the DT swiss 9mm axle or get a 15:5mm converter and use a QR? Opens up your fork choices, especially if you want braze-ons for bike packing or anything cages.
^ This. Completely forgot about the adapters.
 

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I was thinking specifically of MTB tools on the 'bay but I also saw that one can purchase anodized conversion axles from China if you want it in red, orange, blue, etc. No one will see it, but you can bling it out with color if you want to.
 

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Discussion Starter · #6 ·

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Please correct my understanding if I am wrong here. The Fox fork has a 15mm thru axle. The Sun Dynamo hub you have has endcaps that allow a 15mm thru axle, the hub shell has the space to accommodate a 15mm axle. Also, the hub shell width is 100mm wide. You are looking for a rigid fork with 15mm dropouts, preferably with braze-ons for anything cages.

If all that is a correct assumption, then the easiest thing is to get a conversion axle that is spaced for either 15:9 (DT swiss 9mm) or 15:5 (QR) which will give you fork options. 2 options from MTB Tools on the 'bay pasted links below. The conversion axle slips into the hub just like a 15mm thru axle, and then you use a DT Swiss RWS skewer or a standard QR skewer respectively.

https://www.dtswiss.com/en/technology/components/rws-technology/

https://www.ebay.com/itm/MTB-Tools-...805174?hash=item3a871b20b6:g:SS0AAOSwPcVVjCYC

https://www.ebay.com/itm/MTB-Tools-...213175?hash=item3a8ef04137:g:mQUAAOSwT6pVjCQb

What is the wheel size? If 29, then perhaps look at the Salsa Cromoto Grande or similar fork that comes with a 15mm thru axle.

I honestly don't think you will find a set of standard dropouts, like the ones pictured in your previous post, for a 15mm axle.
 

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Discussion Starter · #8 ·
You can not replace the axle on a dyno hub, as they are wraped with wires. At about $300 per dyno hub, a new fork would be cheaper than two dyno hubs.

My dropouts are very similar to the 9mm dropouts on the Salsa fork
https://salsacycles.com/components/category/forks/cromoto_grande_29er.

26 inch wheels and a Fox Float 15 fork. Looking for a Rigid fork with 15mm drop out at what, about 450 or 455 mm.

Please correct my understanding if I am wrong here. The Fox fork has a 15mm thru axle. The Sun Dynamo hub you have has endcaps that allow a 15mm thru axle, the hub shell has the space to accommodate a 15mm axle. Also, the hub shell width is 100mm wide. You are looking for a rigid fork with 15mm dropouts, preferably with braze-ons for anything cages.

If all that is a correct assumption, then the easiest thing is to get a conversion axle that is spaced for either 15:9 (DT swiss 9mm) or 15:5 (QR) which will give you fork options. 2 options from MTB Tools on the 'bay pasted links below. The conversion axle slips into the hub just like a 15mm thru axle, and then you use a DT Swiss RWS skewer or a standard QR skewer respectively.

https://www.dtswiss.com/en/technology/components/rws-technology/

https://www.ebay.com/itm/MTB-Tools-...805174?hash=item3a871b20b6:g:SS0AAOSwPcVVjCYC

https://www.ebay.com/itm/MTB-Tools-...213175?hash=item3a8ef04137:g:mQUAAOSwT6pVjCQb

What is the wheel size? If 29, then perhaps look at the Salsa Cromoto Grande or similar fork that comes with a 15mm thru axle.

I honestly don't think you will find a set of standard dropouts, like the ones pictured in your previous post, for a 15mm axle.
 

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The guy is talking about a slide in 15mm to 9mm adapter axle which can let you use either a standard 5mm QR or a 9mm bolt through axle, nothing about replacing the actual axle in the hub :rolleyes: It's the cheapest and easiest solution to your "problem", I use them all the time for exactly this. I use the Nukeproof one
https://www.chainreactioncycles.com/bb/en/nukeproof-conversion-kit-15mm-to-qr/rp-prod80192

You can not replace the axle on a dyno hub, as they are wraped with wires. At about $300 per dyno hub, a new fork would be cheaper than two dyno hubs.

My dropouts are very similar to the 9mm dropouts on the Salsa fork
https://salsacycles.com/components/category/forks/cromoto_grande_29er.

26 inch wheels and a Fox Float 15 fork. Looking for a Rigid fork with 15mm drop out at what, about 450 or 455 mm.
Office supplies Writing implement Writing instrument accessory Stationery Font
 

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Discussion Starter · #13 ·
Well, at least one web page thinks a replacement axle would work. I wonder if the adaptor axle is reliable, as this 26er is a touring bike for central America? I will find out if Schmidt answers email questions.

https://nabendynamo.de/en/service/faqs/
FAQ HUB DYNAMOS
There is a rattling noise on the hub dynamo, what to do?
Should I grease the skewer?
How can I protect my hub dynamo against corrosion?
Do bearings on a SON hub dynamo need any maintenance?
How much play may the bearings have?
Has my SON hub dynamo become sluggish?
Why did the connection turn when riding the bike?
No Light Output

Do I need to respect polarity on a SON hub dynamo?
How much voltage and wattage does a SON hub dynamo supply?
Can you operate just a headlight with no rear light on a SON hub dynamo?
Can I use 15 mm or 12 mm thru axle dynamos in standard 9mm QR forks?
Yes, with a suitable axle-adapter that is certainly possible. The fork will need to be of 100 mm width , of course.
Is the sense of rotation important on a SON hub dynamo?
 

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I'll second the identiti forks! They are solid, fairly light, no braze ons but nice diameter legs would allow for clamping something onto. Also big clearance for cushy tires.
I have been looking at one of these forks in 15X100 and you seem to be the first person I have come across that sounds like they have first hand experience with them. I have been looking at this.
https://www.identitibikes.com/product/FKITXT46K/rigid-steel-mtb-fork

Are you familiar with this fork?
 

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Yeah, we have ordered 2 of them for projects at the non-profit shop I work at. I was really impressed. One of the projects was a 27.5+ bike and it cleared the 2.8" tire very easily. It was also nice that it comes in a straight steerer tube option. It does lack mounts, but is a pretty solid fork otherwise, especially for the 15x100mm hubs!
 

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Those identi forks look nice. Good to know an option exists. The 26er chromo fork seems hard to find these days. Thanks for the suggestion OneSpeed.
 
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