This is potentially a REALLY stupid question, but I’m just wondering if you can covert a 9mm QR rear axle to a 15mm bolt through?

Can you buy any sort of adapters etc?

I know you need to change the hubs etc, but would it fit the actual frame?

Sorry for such a newb question!

Some hubs (Hope Pro2 etc) allow conversion.
But you can’t change the frame unless you’ve got bolt-on dropouts of some sort.

But a frame with qr 10mm dropouts (forks are 9mm, frames are 10) will allow a 10mm bolt-thru, like Superstar make.

The bike in question is a 2011 Mondraker Foxy RR running a Crank Bros Cobalt wheelset.

Why? I thought Mondrakers were quite stiff.

I would say no to changing any rear type wheel to a 15mm I’m not even sure I’ve ever seen rear stays with 15mm configuration as ir said some wheels you can change out to fit 10 mm in standard 135 q/r rear drop outs but unsure regards crank bros wheels.
Bats

The rear on mine flexes quite a bit. I’m a powerlifter (so pretty strong), and I ride quite aggressively…. Just want to tighten the rear up a little.

I meant 12mm bolt through! Sorry.

On some hubs, yes you can convert (Hope do).

I run a 135mm x 12mm axle on a Pro 2 – but use the Azonic Momentum axle to fit the 10mm dropouts.

http://www.chainreactioncycles.com/Models.aspx?ModelID=20271

Unsure on the wheelset you have though.

I’d imagine they’re standard drop outs so the best you’ll be able to do is a 10mm bolt in or through. May mean a change of wheel though.

you can if you have 2012 mavic crossmax’s………oh i did just that ~:)

To expand my answer,here the new dropouts I had made for my belt-drive Kona A:

DSC_0518 by ir_bandito, on Flickr

Designed for 10mm bolt-in hub (Hope Pro2 Trials)

DSC_0008 by ir_bandito, on Flickr

And yes, it stiffened the rear end up.

Coaster brake on the back?? 😆

Foxy dropouts will not convert but you can change some wheels to a 10mm bolt through qr.

i have done this on my dune and its a big improvement

email me if u want more info. on phone now