Any question answered...

Lots of people putting you on ignore?

^ is this meltlord someone trying to sidestep a ban?

^ Is this the real life, is this just fantasy?

^ Spunk in your mam's eye, masturbate with an apple tree.

It's an M4 socket cap screw. There's loads on ebay but like Jurek says, it's hard to tell when ordering if they're fully threaded.

The alternative is a grub screw, like what I have on my flyer. Something like this.

It's an M4 socket cap screw

Unless it's M3, like most dropout stop screws 🙂

Accu have long full-thread screws in hex head, if @amey isn't fussy about what's on the driving end, e.g M3×40

I was gonna say 'probably' but was confident I was right. In hindsight it does look pretty skinny.

you guys are so wise! is there an allen key 'driven' M3?

I have some 40mm ones here.
But not with a full length thread.
EDIT - Give these guys a call 020 7405 1215.
Clerkenwell Screws. Open until lunchtime today.
They sorted out some fully threaded M4 x 40mm S/S cap head machine screws for my chain tugs.

lemme email genesis

Iv'e had those screws on a few frames, fuckers to get out sometimes if they bend.

Yur, I’ve had a few frames where they’ve just snapped off inside. No way (I know of) to get them out really

https://www.sjscycles.co.uk/frames/m3-x-40mm-dropout-adjuster-screws-per-pair/

or

https://www.sjscycles.co.uk/frames/m4-x-30mm-dropout-adjuster-bolts-per-pair/

maybe?

Bingo!

.

So, will these definitely take an 11sp (though modern I think they are pre-11sp but may actually fit one)?

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Probably. Mavic were a bit prescient with their freehub sizing.

Measure with calipers if you really want to be certain.

Pretty sure they'll be fine.

@Brun I love you but the man himself ( @Alb ) has delivered https://www.velovitality.co.uk/products/m3-dropout-adjuter-screws-inc-spring

@snottyotter
A 10sp Freehub sits pretty much flush (poss .3 of an mm inside) the freehub body. What, if anything, does that tell us? Cheers

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Do you have the Mavic shim on the back of the cassette? Can you actually tighten that down with a lockring? It's possible that the lockring will bottom out on the body before it applies the appropriate pressure to the cassette.

I have got a spacer so I'll try and deduce with that - think there'd be a chance of it bottoming out without as you say.

Cheers

In fairness to @Brun I think the original horizontal dropouts used a the larger M4 thread

Should I buy some 700c knobblies for £5-20 to try and enjoy winter bridleways on my Croix De Fer or should I just fuck riding bikes off for the winter.

Just fuck riding bikes altogether and get a car, it's much nicer & faster.