Any question answered...

But my question was also regarding the "switching" hubs. Any info on them?

Link to an examples pls.

Link to an examples

It turns out that it wasn't a great idea; if you're switching from fixed to single free there's a pretty good chance you'll also want to change gear at least, and maybe tyres too. Having two pairs of wheels is a better plan.

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Is there such a thing as a fixed/free double sprocket à la White Industries? That'd sort it

Or could you do something silly (more my style) and have a double 6-bolt hub, then have two rotors with the sprockets bolted outside the rotors (with spacers). Find/buy/manufacture a 6-bolt to freewheel adapter on one side. Flip the wheel to swap from fixed to free. Braking and drivetrain may be compromised and clearance and chainline would be an issue...

Something like this:

A ‘do it all’ bike for a 12 year old boy...

He has shown some interest in racing at some point in the future but for the moment we’re looking at a ‘holiday towpath or skidding around Asda carpark with his mates’ kind of vibe.

I keep thinking a used Cannondale bad boy (aluminium I think and has some gears and disk brakes)..

I meant something like this:
http://www.thegearcaster.com/2010/04/flipflop-hubs-no-longer-required-with-affix-fixfree.html

Where can I buy sheets of this?

Where can I buy sheets of this?

ebay, amazon, alibaba, KaiserKraft

At this point, you're not even trying google, are you?

Becoming a chicken farmer?

Games Workshop?

Building a fritzl dungeon?

Karaoke

Mad for it

murder dungeon?

He is emptying out his garage...

https://www.google.com/

That website is shit, it will never take off.

Cool kids like me use https://duckduckgo.com anyway.

This that safe for work ^

fuckfuckno.com

Your work maybe. I'm off-grid at mine.

fire up torrent client & bitcoin miner

It would explain your Azure billing...

Ha, I try stay away from Azure. I think most of our cloud billing is silly because it's too easy for people to spin shit up without actually think about what is needed or if there's a more efficient way to do something. I just say "no" and wave people away -> lowers costs a lot :)

Yes I could make one myself, no I'm not going to.
So, is there a better version than this I should consider for pressing BB30 bearings in?
http://www.chainreactioncycles.com/x-tools-press-fit-bottom-bracket-installer/rp-prod155423

Actually, I may have the BB30 remover from Park (https://www.evanscycles.com/park-bb30-bearing-tool-set-EV185248) so perhaps only need the threaded rod bit, but don't want to pay £50 for Park's headset installer.

Any other options I can get delivered early next week?

I guess what I want is a cheaper version of the HHP3:
http://www.chainreactioncycles.com/park-tool-headset-bmx-bb-bearing-cup-press-hhp3/rp-prod12326

I used a hammer